{"id":2170,"date":"2022-07-29T19:29:19","date_gmt":"2022-07-29T13:59:19","guid":{"rendered":"https:\/\/www.kewaunee.in\/blog\/?p=2170"},"modified":"2024-12-31T16:10:43","modified_gmt":"2024-12-31T10:40:43","slug":"fire-safety-in-laboratory-classes-of-fire","status":"publish","type":"post","link":"https:\/\/www.kewaunee.in\/blog\/fire-safety-in-laboratory-classes-of-fire\/","title":{"rendered":"Fire Safety in Laboratory: Classes of Fire"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row full_width=&#8221;stretch_row&#8221; equal_height=&#8221;yes&#8221; content_placement=&#8221;middle&#8221; css=&#8221;.vc_custom_1594037823219{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 40px !important;padding-bottom: 40px !important;}&#8221;][vc_column]<h1 class=\"boc_heading  al_left  \"  style=\"margin-bottom: 20px;margin-top: 0px;color: #333;\"><span>Fire Safety In Laboratory Classes Of Fire<\/span><\/h1>[vc_column_text]<span style=\"font-weight: 400;\">Fire hazards are extremely high in laboratories, as the necessary ingredients for a chemical reaction to start a fire are available in the laboratory.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The fire triangle (aka combustion triangle) helps us understand the necessary ingredients for most fires:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Heat or ignition source<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Fuel<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Oxygen or oxidizing agents.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">When all three elements are present in the right proportions a fire starts. Once ignited, if there is a continuous supply of oxidizer and fuel, then a chain reaction takes place. In a chain reaction, the fires can sustain their own heat by the further release of heat energy in the process of combustion and may propagate. This is commonly referred to as the <\/span><a href=\"https:\/\/en.wikipedia.org\/wiki\/Fire_triangle#Fire_tetrahedron\"><span style=\"font-weight: 400;\">Fire Tetrahedron<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The Occupational Safety and Health Administration (OSHA) requires employers to implement fire protection and prevention programs in the workplace. Based on the fuel type for the fire, OSHA classifies fires into five different classes \u2013 Class A, B, C, D, and K.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The fire\u2019s class helps understand how dangerous the fire could be, how quickly it can burn and spread, and the best way to suppress the fire.<\/span>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n<table class=\"fortuna_table\">\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">A<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Fires involving ordinary combustibles, such as paper, trash, some plastics, wood, and cloth.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A rule of thumb is if it leaves an ash behind, it is a Class A fire.<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dry Chemical (multipurpose)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Water<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">B<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Fires involving flammable gases or liquids, such as propane, oil, and gasoline<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dry Chemical (multipurpose)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Foam &#8211; alcohol-resistant and aqueous film-forming foam (AFFF) types<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Metal X<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Carbon Dioxide<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Halon<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">C<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Fires involving energized electrical components.<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dry Chemical (multipurpose)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Metal X<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Carbon Dioxide<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Halon<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">D<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Fires involving metal.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A rule of thumb is if the name of the metal ends with the letters \u201cum,\u201d it is a Class D fire. Examples of this are aluminium, magnesium, beryllium, and sodium.\u00a0<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Metal X<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">K<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Fires involving vegetable or animal cooking oils or fats; common in commercial cooking operations using deep fat fryers.<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Potassium Acetate<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">There are limitations for each extinguisher type depending on the application and hazard. Please <\/span><a href=\"https:\/\/www.kewaunee.in\/advisory.php\"><span style=\"font-weight: 400;\">consult with the experts<\/span><\/a><span style=\"font-weight: 400;\"> before you setup your fire safety systems. <\/span>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row full_width=&#8221;stretch_row&#8221; equal_height=&#8221;yes&#8221; content_placement=&#8221;middle&#8221; css=&#8221;.vc_custom_1594037823219{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 40px !important;padding-bottom: 40px !important;}&#8221;][vc_column][vc_column_text]Fire hazards are extremely high in laboratories, as the necessary ingredients for a chemical reaction to start a fire are available in the laboratory. The fire triangle (aka combustion triangle) helps us understand the necessary ingredients for most fires: Heat or ignition source Fuel Oxygen or oxidizing agents.<\/p>\n<div class=\"h10\"><\/div>\n<p><a class=\"more-link1\" href=\"https:\/\/www.kewaunee.in\/blog\/fire-safety-in-laboratory-classes-of-fire\/\">Read more<\/a><\/p>\n","protected":false},"author":2,"featured_media":2171,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[108,61,22,64],"tags":[388,389,169,167,226,181,54,122],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Fire Safety In Laboratory Classes Of Fire | Kewaunee<\/title>\n<meta name=\"description\" content=\"Fire safety in laboratories with Kewaunee. 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