{"id":7802,"date":"2025-05-19T13:39:48","date_gmt":"2025-05-19T11:39:48","guid":{"rendered":"https:\/\/malux.com\/kunskapsbankinlagg\/mika-on-rajahdysvaarallinen-polyilmaseos\/"},"modified":"2026-04-23T10:17:25","modified_gmt":"2026-04-23T08:17:25","slug":"mika-on-rajahdysvaarallinen-polyilmaseos","status":"publish","type":"kunskapsbankinlagg","link":"https:\/\/www.malux.com\/fi\/kunskapsbankinlagg\/mika-on-rajahdysvaarallinen-polyilmaseos\/","title":{"rendered":"Mik\u00e4 on r\u00e4j\u00e4hdysvaarallinen p\u00f6lyilmaseos?"},"content":{"rendered":"\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-66c280c stk-block-background\" data-block-id=\"66c280c\"><style>.stk-66c280c {background-color:#ffdc2e !important;padding-top:80px !important;padding-bottom:80px !important;margin-bottom:0px !important;}.stk-66c280c:before{background-color:#ffdc2e !important;}@media screen and (max-width: 767px){.stk-66c280c {padding-top:60px !important;padding-bottom:60px !important;}}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-66c280c-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-cee340d\" data-v=\"4\" data-block-id=\"cee340d\"><style>.stk-cee340d {max-width:1024px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}@media screen and (max-width: 1023px){.stk-cee340d {max-width:90% !important;min-width:auto !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-cee340d-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-cee340d-inner-blocks\">\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-e1662e2\" id=\"brannbara-gaser-kan-bilda-explosiva-blandningar-men-hur-manga-tanker-pa-att-aven-brannbart-damm-kan-vara-en-explosionsfara\" data-block-id=\"e1662e2\"><style>.stk-e1662e2 .stk-block-heading__text{font-size:26px !important;}@media screen and (max-width: 1023px){.stk-e1662e2 .stk-block-heading__text{font-size:26px !important;}}<\/style><h6 class=\"stk-block-heading__text\">Syttyv\u00e4t kaasut voivat muodostaa r\u00e4j\u00e4ht\u00e4vi\u00e4 seoksia, mutta kuinka moni tulee ajatelleeksi, ett\u00e4 my\u00f6s syttyv\u00e4 p\u00f6ly voi aiheuttaa r\u00e4j\u00e4hdysvaaran?<\/h6><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-0200b13\" data-block-id=\"0200b13\"><style>.stk-0200b13 {margin-bottom:30px !important;}@media screen and (max-width: 1023px){.stk-0200b13 {margin-bottom:30px !important;}}<\/style><p class=\"stk-block-text__text\">R\u00e4j\u00e4hdysvaarallinen p\u00f6lyilmaseos voi synty\u00e4 siell\u00e4, miss\u00e4 syttyv\u00e4\u00e4 p\u00f6ly\u00e4 tai materiaaleja, joista voi vapautua syttyv\u00e4\u00e4 p\u00f6ly\u00e4, k\u00e4sitell\u00e4\u00e4n tai varastoidaan. Kun arvioidaan, onko p\u00f6lyinen ymp\u00e4rist\u00f6 katsottava r\u00e4j\u00e4hdysvaaralliseksi, huomioidaan muun muassa mahdollisesti muodostuvien p\u00f6lykerrosten paksuus, kyseisten p\u00f6lykerrosten ja p\u00f6lyilmaseoksen alin syttymisl\u00e4mp\u00f6tila, onko p\u00f6ly s\u00e4hk\u00f6\u00e4 johtavaa sek\u00e4 mahdollinen syttymisenergia. <\/p><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-ccb5762\" data-v=\"4\" data-block-id=\"ccb5762\"><style>.stk-ccb5762 {max-width:1024px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}@media screen and (max-width: 1023px){.stk-ccb5762 {max-width:90% !important;min-width:auto !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-ccb5762-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-ccb5762-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-7105f71\" data-block-id=\"7105f71\"><p class=\"stk-block-text__text\">Jos p\u00f6lyseos syttyy, voi k\u00e4ynnisty\u00e4 ketjureaktio ja p\u00f6lyn p\u00f6lly\u00e4misess\u00e4 voi synty\u00e4 useita r\u00e4j\u00e4hdyksi\u00e4. Koska energiaa vapautuu suuria m\u00e4\u00e4ri\u00e4, p\u00f6lyr\u00e4j\u00e4hdysten vahinkopotentiaali voi usein olla eritt\u00e4in suuri. <\/p><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-4299fc1 stk-block-background\" data-block-id=\"4299fc1\"><style>.stk-4299fc1 {background-color:#f5f5f5 !important;padding-top:80px !important;padding-bottom:80px !important;margin-bottom:0px !important;}.stk-4299fc1:before{background-color:#f5f5f5 !important;}@media screen and (max-width: 767px){.stk-4299fc1 {padding-top:60px !important;padding-bottom:60px !important;}}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-4299fc1-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-94e63f5\" data-v=\"4\" data-block-id=\"94e63f5\"><style>.stk-94e63f5 {max-width:1024px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}@media screen and (min-width: 768px){.stk-94e63f5 {flex:var(--stk-flex-grow, 1) 1 calc(25% - var(--stk-column-gap, 0px) * 1 \/ 2 ) !important;}}@media screen and (max-width: 1023px){.stk-94e63f5 {max-width:90% !important;min-width:auto !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-94e63f5-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-94e63f5-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-749031a\" data-block-id=\"749031a\"><style>.stk-749031a .stk-img-wrapper img{object-fit:contain !important;}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-2520\" src=\"https:\/\/www.malux.com\/wp-content\/uploads\/2025\/05\/miljobild-dammigt-uttag-stickpr-ceag_0273eee9.png\" width=\"956\" height=\"1200\" alt=\"shutterstock_60855814_18818b3c\" srcset=\"https:\/\/www.malux.com\/wp-content\/uploads\/2025\/05\/miljobild-dammigt-uttag-stickpr-ceag_0273eee9.png 956w, https:\/\/www.malux.com\/wp-content\/uploads\/2025\/05\/miljobild-dammigt-uttag-stickpr-ceag_0273eee9-239x300.png 239w, https:\/\/www.malux.com\/wp-content\/uploads\/2025\/05\/miljobild-dammigt-uttag-stickpr-ceag_0273eee9-816x1024.png 816w, https:\/\/www.malux.com\/wp-content\/uploads\/2025\/05\/miljobild-dammigt-uttag-stickpr-ceag_0273eee9-768x964.png 768w\" sizes=\"auto, (max-width: 956px) 100vw, 956px\" \/><\/span><\/figure><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-62d2f7e\" data-v=\"4\" data-block-id=\"62d2f7e\"><style>.stk-62d2f7e {max-width:1024px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}@media screen and (min-width: 768px){.stk-62d2f7e {flex:var(--stk-flex-grow, 1) 1 calc(75% - var(--stk-column-gap, 0px) * 1 \/ 2 ) !important;}}@media screen and (max-width: 1023px){.stk-62d2f7e {max-width:90% !important;min-width:auto !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-62d2f7e-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-62d2f7e-inner-blocks\">\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-ae8baa5\" id=\"hur-klassificeras-explosionsfarligt-damm\" data-block-id=\"ae8baa5\"><style>.stk-ae8baa5 .stk-block-heading__text{font-size:26px !important;}@media screen and (max-width: 1023px){.stk-ae8baa5 .stk-block-heading__text{font-size:26px !important;}}<\/style><h6 class=\"stk-block-heading__text\">Miten r\u00e4j\u00e4hdysvaarallinen p\u00f6ly luokitellaan?<\/h6><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-77edb7e\" data-block-id=\"77edb7e\"><style>.stk-77edb7e {margin-bottom:30px !important;}@media screen and (max-width: 1023px){.stk-77edb7e {margin-bottom:30px !important;}}<\/style><p class=\"stk-block-text__text\">Kuten r\u00e4j\u00e4hdysvaarallisen kaasuilmaseoksen kohdalla, my\u00f6s r\u00e4j\u00e4hdysvaarallinen p\u00f6lyilmaseos jaetaan vy\u00f6hykkeisiin:\n\nVy\u00f6hyke 20 Jatkuvasti tai pitk\u00e4kestoisesti\nVaaravy\u00f6hyke, jossa r\u00e4j\u00e4hdysvaarallista p\u00f6lyilmaseosta esiintyy jatkuvasti, pitk\u00e4kestoisesti tai usein.\n\nVy\u00f6hyke 21 Tilap\u00e4isesti normaalik\u00e4yt\u00f6ss\u00e4\nVaaravy\u00f6hyke, jossa r\u00e4j\u00e4hdysvaarallista p\u00f6lyilmaseosta voidaan odottaa esiintyv\u00e4n tilap\u00e4isesti normaalik\u00e4yt\u00f6n aikana.\n\nVy\u00f6hyke 22 Harvoin ja lyhytaikaisesti\nVaaravy\u00f6hyke, jossa r\u00e4j\u00e4hdysvaarallista p\u00f6lyilmaseosta ei odoteta esiintyv\u00e4n normaalik\u00e4yt\u00f6ss\u00e4 ja jos sit\u00e4 kuitenkin esiintyy, niin vain harvoin ja lyhytaikaisesti.<\/p><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-d218f32 stk-block-background\" data-block-id=\"d218f32\"><style>.stk-d218f32 {background-color:var(--jok-sixth-color) !important;padding-top:80px !important;padding-bottom:80px !important;margin-bottom:0px !important;}.stk-d218f32:before{background-color:var(--jok-sixth-color) !important;}@media screen and (max-width: 767px){.stk-d218f32 {padding-top:60px !important;padding-bottom:60px !important;}}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-d218f32-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-4a77862\" data-v=\"4\" data-block-id=\"4a77862\"><style>.stk-4a77862 {max-width:1024px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}@media screen and (max-width: 1023px){.stk-4a77862 {max-width:90% !important;min-width:auto !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-4a77862-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-4a77862-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-9f103c1\" data-block-id=\"9f103c1\"><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-2521\" src=\"https:\/\/www.malux.com\/wp-content\/uploads\/2025\/05\/atex-markning_ffe780d8.png\" width=\"1000\" height=\"232\" alt=\"shutterstock_60855814_18818b3c\" srcset=\"https:\/\/www.malux.com\/wp-content\/uploads\/2025\/05\/atex-markning_ffe780d8.png 1000w, https:\/\/www.malux.com\/wp-content\/uploads\/2025\/05\/atex-markning_ffe780d8-300x70.png 300w, https:\/\/www.malux.com\/wp-content\/uploads\/2025\/05\/atex-markning_ffe780d8-768x178.png 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/span><\/figure><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-4aa2516\" data-v=\"4\" data-block-id=\"4aa2516\"><style>.stk-4aa2516 {max-width:1024px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}@media screen and (max-width: 1023px){.stk-4aa2516 {max-width:90% !important;min-width:auto !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-4aa2516-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-4aa2516-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-980e488\" data-block-id=\"980e488\"><style>.stk-980e488 {margin-bottom:30px !important;}@media screen and (max-width: 1023px){.stk-980e488 {margin-bottom:30px !important;}}<\/style><p class=\"stk-block-text__text\"><strong>HUOM!<\/strong> Kaiken r\u00e4j\u00e4hdysvaaralliseksi luokitellulla alueella k\u00e4ytett\u00e4v\u00e4n laitteiston on oltava ATEX-merkinn\u00e4n mukainen. Tyypillinen merkint\u00e4 voi n\u00e4ytt\u00e4\u00e4 t\u00e4lt\u00e4 <br><br><\/p><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-15f4975 stk-block-background\" data-block-id=\"15f4975\"><style>.stk-15f4975 {background-color:#f5f5f5 !important;padding-top:80px !important;padding-bottom:80px !important;margin-bottom:0px !important;}.stk-15f4975:before{background-color:#f5f5f5 !important;}@media screen and (max-width: 767px){.stk-15f4975 {padding-top:60px !important;padding-bottom:60px !important;}}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-15f4975-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-ce1d7c2\" data-v=\"4\" data-block-id=\"ce1d7c2\"><style>.stk-ce1d7c2 {max-width:1024px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}@media screen and (max-width: 1023px){.stk-ce1d7c2 {max-width:90% !important;min-width:auto !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-ce1d7c2-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-ce1d7c2-inner-blocks\">\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-bd9da0f\" id=\"var-kan-dammexplosioner-intraffa\" data-block-id=\"bd9da0f\"><style>.stk-bd9da0f {margin-bottom:30px !important;}.stk-bd9da0f .stk-block-heading__text{font-size:26px !important;}@media screen and (max-width: 1023px){.stk-bd9da0f .stk-block-heading__text{font-size:26px !important;}}<\/style><h2 class=\"stk-block-heading__text\">Miss\u00e4 p\u00f6lyr\u00e4j\u00e4hdyksi\u00e4 voi tapahtua?<\/h2><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-e27b08c\" data-block-id=\"e27b08c\"><style>.stk-e27b08c {margin-bottom:30px !important;}.stk-e27b08c-column{--stk-columns-spacing:0px !important;--stk-column-gap:60px !important;}@media screen and (max-width: 767px){.stk-e27b08c {margin-bottom:0px !important;}}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-e27b08c-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-6dde180\" data-v=\"4\" data-block-id=\"6dde180\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-6dde180-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-6dde180-inner-blocks\">\n<div class=\"wp-block-stackable-card stk-block-card stk-block stk-3ccd91a is-style-default\" data-v=\"2\" data-block-id=\"3ccd91a\"><div class=\"stk--no-padding stk-container stk-3ccd91a-container stk-hover-parent\"><figure class=\"stk-block-card__image stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-2522\" src=\"https:\/\/www.malux.com\/wp-content\/uploads\/2025\/05\/vedtrave_23f2c5ec.png\" width=\"500\" height=\"375\" alt=\"polttopuupino_23f2c5ec\" srcset=\"https:\/\/www.malux.com\/wp-content\/uploads\/2025\/05\/vedtrave_23f2c5ec.png 500w, https:\/\/www.malux.com\/wp-content\/uploads\/2025\/05\/vedtrave_23f2c5ec-300x225.png 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure><div class=\"stk-container-padding stk-block-card__content\"><div class=\"stk-block-content stk-inner-blocks stk-3ccd91a-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-51ec56b\" data-block-id=\"51ec56b\"><p class=\"stk-block-text__text\">Orgaaniset tuotteet, kuten puu ja kuitumateriaalit, voivat vapauttaa paljon p\u00f6ly\u00e4, ja my\u00f6s viljank\u00e4sittely on riskialtista. Tyypillisi\u00e4 ymp\u00e4rist\u00f6j\u00e4 ovat esimerkiksi sahat ja muu<br>puuteollisuus sek\u00e4 siilot.  <\/p><\/div>\n<\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-card stk-block-card stk-block stk-e9385e8 is-style-default\" data-v=\"2\" data-block-id=\"e9385e8\"><div class=\"stk--no-padding stk-container stk-e9385e8-container stk-hover-parent\"><figure class=\"stk-block-card__image stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-2524\" src=\"https:\/\/www.malux.com\/wp-content\/uploads\/2025\/05\/j04278191_f9060499.png\" width=\"1000\" height=\"1000\" alt=\"polttopuupino_23f2c5ec\" srcset=\"https:\/\/www.malux.com\/wp-content\/uploads\/2025\/05\/j04278191_f9060499.png 1000w, https:\/\/www.malux.com\/wp-content\/uploads\/2025\/05\/j04278191_f9060499-300x300.png 300w, https:\/\/www.malux.com\/wp-content\/uploads\/2025\/05\/j04278191_f9060499-150x150.png 150w, https:\/\/www.malux.com\/wp-content\/uploads\/2025\/05\/j04278191_f9060499-768x768.png 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure><div class=\"stk-container-padding stk-block-card__content\"><div class=\"stk-block-content stk-inner-blocks stk-e9385e8-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-4d0dc8a\" data-block-id=\"4d0dc8a\"><p class=\"stk-block-text__text\">Metallip\u00f6ly\u00e4 esiintyy monenlaisessa teollisuudessa, ja my\u00f6s p\u00f6ly, jota syntyy muovi-, hartsi- ja kumimateriaaleja k\u00e4sitelt\u00e4ess\u00e4, samoin kuin maaliteollisuuden jauheet, voidaan katsoa r\u00e4j\u00e4hdysvaarallisiksi. Lyhyesti: p\u00f6lyr\u00e4j\u00e4hdyksi\u00e4 voi tapahtua l\u00e4hes miss\u00e4 tahansa, miss\u00e4 on hienojakoista p\u00f6ly\u00e4 ja jauheita. <\/p><\/div>\n<\/div><\/div><\/div><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-503c5b4\" data-v=\"4\" data-block-id=\"503c5b4\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-503c5b4-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-503c5b4-inner-blocks\">\n<div class=\"wp-block-stackable-card stk-block-card stk-block stk-31e7c2c is-style-default\" data-v=\"2\" data-block-id=\"31e7c2c\"><div class=\"stk--no-padding stk-container stk-31e7c2c-container stk-hover-parent\"><figure class=\"stk-block-card__image stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-2523\" src=\"https:\/\/www.malux.com\/wp-content\/uploads\/2025\/05\/semla_de6edda8.png\" width=\"388\" height=\"283\" alt=\"polttopuupino_23f2c5ec\" srcset=\"https:\/\/www.malux.com\/wp-content\/uploads\/2025\/05\/semla_de6edda8.png 388w, https:\/\/www.malux.com\/wp-content\/uploads\/2025\/05\/semla_de6edda8-300x219.png 300w\" sizes=\"auto, (max-width: 388px) 100vw, 388px\" \/><\/figure><div class=\"stk-container-padding stk-block-card__content\"><div class=\"stk-block-content stk-inner-blocks stk-31e7c2c-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-33d51da\" data-block-id=\"33d51da\"><p class=\"stk-block-text__text\">Elintarvikkeita, tupakkaa ja el\u00e4inrehua k\u00e4sittelev\u00e4t teollisuudenalat katsotaan mahdollisiksi riskialueiksi; suurleipomot, joissa on paljon jauhop\u00f6ly\u00e4, ovat yksi esimerkki.<\/p><\/div>\n<\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-b7b38a9\" data-block-id=\"b7b38a9\"><p class=\"stk-block-text__text\">P\u00f6ly testataan my\u00f6s seuraavien selvitt\u00e4miseksi:\n\nonko se syttyv\u00e4\u00e4, mik\u00e4 sen syttymisl\u00e4mp\u00f6tila on, joskus my\u00f6s mik\u00e4 syttymisenergia on voimassa ja mik\u00e4 sen s\u00e4hk\u00f6njohtavuus on.\n\n<\/p><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-80e9608 stk-block-background\" data-block-id=\"80e9608\"><style>.stk-80e9608 {background-color:#ffdc2e !important;padding-top:80px !important;padding-bottom:80px !important;margin-bottom:0px !important;}.stk-80e9608:before{background-color:#ffdc2e !important;}@media screen and (max-width: 767px){.stk-80e9608 {padding-top:60px !important;padding-bottom:60px !important;}}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-80e9608-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-4fa2aa0\" data-v=\"4\" data-block-id=\"4fa2aa0\"><style>.stk-4fa2aa0 {max-width:1024px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}@media screen and (max-width: 1023px){.stk-4fa2aa0 {max-width:90% !important;min-width:auto !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-4fa2aa0-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-4fa2aa0-inner-blocks\">\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-5ae94d0\" id=\"hur-undviks-dammexplosioner\" data-block-id=\"5ae94d0\"><style>.stk-5ae94d0 .stk-block-heading__text{font-size:26px !important;}@media screen and (max-width: 1023px){.stk-5ae94d0 .stk-block-heading__text{font-size:26px !important;}}<\/style><h6 class=\"stk-block-heading__text\">Miten p\u00f6lyr\u00e4j\u00e4hdykset v\u00e4ltet\u00e4\u00e4n?<\/h6><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-5677353\" data-block-id=\"5677353\"><style>.stk-5677353 {margin-bottom:30px !important;}@media screen and (max-width: 1023px){.stk-5677353 {margin-bottom:30px !important;}}<\/style><p class=\"stk-block-text__text\">\nKuten kaikilla r\u00e4j\u00e4hdysvaarallisiksi luokitelluilla alueilla, on suoritettava s\u00e4\u00e4nn\u00f6llisi\u00e4 m\u00e4\u00e4r\u00e4aikaistarkastuksia. N\u00e4iss\u00e4 tarkastuksissa on erityisesti tutkittava seuraavat seikat: \n\n1. Kemiallinen vaikutus, esim. korroosio\n2. P\u00f6lyn, lian tai maalin kertyminen\n3. Nesteen tunkeutuminen\n4. Korkea ymp\u00e4rist\u00f6n l\u00e4mp\u00f6tila\n5. Mekaaninen vaurio, esim. iskuista tai t\u00e4rin\u00e4st\u00e4  <\/p><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-41655bf\" data-v=\"4\" data-block-id=\"41655bf\"><style>.stk-41655bf {max-width:1024px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}@media screen and (max-width: 1023px){.stk-41655bf {max-width:90% !important;min-width:auto !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-41655bf-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-41655bf-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-30fa162\" data-block-id=\"30fa162\"><p class=\"stk-block-text__text\">6. Luvaton muutos rakenteeseen tai asetettuun arvoon\n7. Riitt\u00e4m\u00e4t\u00f6n huolto, esim. ei suoritettu valmistajan ohjeiden mukaisesti\n8. Aiempiin tarkastuksiin liittyv\u00e4t tulokset \n\nP\u00f6lyisiss\u00e4 ymp\u00e4rist\u00f6iss\u00e4 kohdat 2 ja 4 on luonnollisesti tarkastettava erityisen huolellisesti. Yhdess\u00e4 rakenne- ja organisatoristen toimenpiteiden kanssa r\u00e4j\u00e4hdysriskej\u00e4 voidaan minimoida valitsemalla laitteisto, joka on hyv\u00e4ksytty k\u00e4ytett\u00e4v\u00e4ksi r\u00e4j\u00e4hdysvaarallisissa p\u00f6lyilmaseoksissa.  <\/p><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-a65a98c stk-block-background\" data-block-id=\"a65a98c\"><style>.stk-a65a98c {background-color:#f5f5f5 !important;padding-top:80px !important;padding-bottom:80px !important;margin-bottom:0px !important;}.stk-a65a98c:before{background-color:#f5f5f5 !important;}@media screen and (max-width: 767px){.stk-a65a98c {padding-top:60px !important;padding-bottom:60px !important;}}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-a65a98c-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-45098dd\" data-v=\"4\" data-block-id=\"45098dd\"><style>.stk-45098dd {max-width:1024px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}@media screen and (max-width: 1023px){.stk-45098dd {max-width:90% !important;min-width:auto !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-45098dd-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-45098dd-inner-blocks\">\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-1056722\" id=\"atex-godkand-installationsmateriel-for-dammklassade-zoner\" data-block-id=\"1056722\"><style>.stk-1056722 .stk-block-heading__text{font-size:26px !important;}@media screen and (max-width: 1023px){.stk-1056722 .stk-block-heading__text{font-size:26px !important;}}<\/style><h6 class=\"stk-block-heading__text\">ATEX-hyv\u00e4ksytyt asennustarvikkeet p\u00f6lyluokiteltuihin vy\u00f6hykkeisiin<\/h6><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-37cc9d9\" data-block-id=\"37cc9d9\"><style>.stk-37cc9d9 {margin-bottom:30px !important;}@media screen and (max-width: 1023px){.stk-37cc9d9 {margin-bottom:30px !important;}}<\/style><p class=\"stk-block-text__text\">Hyv\u00e4 valaistus on v\u00e4ltt\u00e4m\u00e4t\u00f6n mahdollisten riskien ja onnettomuuksien havaitsemiseksi, erityisesti p\u00f6lyisiss\u00e4 ymp\u00e4rist\u00f6iss\u00e4. \n\nValaistuksen ja muun s\u00e4hk\u00f6laitteiston ohjaamiseen tarvitaan kytkimi\u00e4, kytkent\u00e4rasioita, pistorasioita ja pistotulppia sek\u00e4 erilaisia ohjauslaitteita. Lis\u00e4ksi on voitava valvoa prosesseja, h\u00e4lytt\u00e4\u00e4 vaaratilanteista ja l\u00e4mmitt\u00e4\u00e4 sek\u00e4 tiloja ett\u00e4 raaka-aineita \u2013 vaikka ymp\u00e4rist\u00f6 olisi p\u00f6lyinen. <\/p><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-4a6ae41\" data-v=\"4\" data-block-id=\"4a6ae41\"><style>.stk-4a6ae41 {max-width:1024px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}@media screen and (max-width: 1023px){.stk-4a6ae41 {max-width:90% !important;min-width:auto !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-4a6ae41-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-4a6ae41-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-35d4022\" data-block-id=\"35d4022\"><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-2525\" src=\"https:\/\/www.malux.com\/wp-content\/uploads\/2025\/05\/ellk92_dammig_db5bbc67.png\" width=\"591\" height=\"580\" alt=\"shutterstock_60855814_18818b3c\" srcset=\"https:\/\/www.malux.com\/wp-content\/uploads\/2025\/05\/ellk92_dammig_db5bbc67.png 591w, https:\/\/www.malux.com\/wp-content\/uploads\/2025\/05\/ellk92_dammig_db5bbc67-300x294.png 300w\" sizes=\"auto, (max-width: 591px) 100vw, 591px\" \/><\/span><\/figure><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-6n772ew stk-block-background\" data-block-id=\"6n772ew\"><style>.stk-6n772ew {background-color:#f5f5f5 !important;padding-top:80px !important;padding-bottom:80px !important;margin-bottom:0px !important;}.stk-6n772ew:before{background-color:#f5f5f5 !important;}@media screen and (max-width: 767px){.stk-6n772ew {padding-top:60px !important;padding-bottom:60px !important;}}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-6n772ew-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-qpy5msg\" data-v=\"4\" data-block-id=\"qpy5msg\"><style>.stk-qpy5msg {max-width:1024px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}@media screen and (max-width: 1023px){.stk-qpy5msg {max-width:90% !important;min-width:auto !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-qpy5msg-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-qpy5msg-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-iw6d4x0\" data-block-id=\"iw6d4x0\"><style>.stk-iw6d4x0 .stk-img-wrapper{width:52% !important;height:375px !important;}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-2526\" src=\"https:\/\/www.malux.com\/wp-content\/uploads\/2025\/05\/dammsack_70b5ef38.jpg\" width=\"636\" height=\"400\" alt=\"shutterstock_60855814_18818b3c\" srcset=\"https:\/\/www.malux.com\/wp-content\/uploads\/2025\/05\/dammsack_70b5ef38.jpg 636w, https:\/\/www.malux.com\/wp-content\/uploads\/2025\/05\/dammsack_70b5ef38-300x189.jpg 300w\" sizes=\"auto, (max-width: 636px) 100vw, 636px\" \/><\/span><\/figure><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-5b5z73n\" data-v=\"4\" data-block-id=\"5b5z73n\"><style>.stk-5b5z73n {max-width:1024px !important;min-width:auto !important;margin-right:auto !important;margin-left:auto !important;}@media screen and (max-width: 1023px){.stk-5b5z73n {max-width:90% !important;min-width:auto !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-5b5z73n-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-5b5z73n-inner-blocks\">\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-62ciuqb\" id=\"jordning-och-barbara-utrustningar-for-dem-personliga-sakerheten\" data-block-id=\"62ciuqb\"><h6 class=\"stk-block-heading__text\">Maadoitus ja kannettavat laitteet henkil\u00f6turvallisuutta varten<\/h6><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-3y5usa0\" data-block-id=\"3y5usa0\"><style>.stk-3y5usa0 {margin-bottom:30px !important;}@media screen and (max-width: 1023px){.stk-3y5usa0 {margin-bottom:30px !important;}}<\/style><p class=\"stk-block-text__text\">Staattista s\u00e4hk\u00f6\u00e4 syntyy usein k\u00e4sitelt\u00e4ess\u00e4 erilaisia jauheita, kuten jauhoja ja v\u00e4rijauheita. Raaka-aine kuljetetaan usein muovis\u00e4keiss\u00e4 ja siirret\u00e4\u00e4n muoviletkujen ja suppiloiden kautta. Staattisen s\u00e4hk\u00f6n ja p\u00f6lypilven yhdistelm\u00e4ll\u00e4 voi olla kohtalokkaita seurauksia. N\u00e4iss\u00e4 yhteyksiss\u00e4 on t\u00e4rke\u00e4\u00e4 k\u00e4ytt\u00e4\u00e4 turvallisia maadoituslaitteita.    <\/p><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Miss\u00e4 sit\u00e4 esiintyy? Miten r\u00e4j\u00e4hdysvaarallisen p\u00f6lyilmaseoksen riskit v\u00e4ltet\u00e4\u00e4n? <\/p>\n","protected":false},"featured_media":7803,"template":"","meta":{"_acf_changed":false},"kunskapsbankskategori":[239],"class_list":["post-7802","kunskapsbankinlagg","type-kunskapsbankinlagg","status-publish","has-post-thumbnail","hentry","kunskapsbankskategori-ex-teollisuus"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mik\u00e4 on r\u00e4j\u00e4hdysvaarallinen p\u00f6lyilmaseos? - Malux<\/title>\n<meta name=\"description\" content=\"Miss\u00e4 sit\u00e4 esiintyy? 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