Posted By halesowen Baggie Can anybody tell me what flashpoint temperatures constitutes Highly flammable & extremely flammable?

Posted By sagalout see note 3 below part 3 of the S.I. in this link for details. I dont think this has been changed but it may be worth you cheking before proceeding http://www.opsi.gov.uk/si/si1999/99074304.htm

Posted By sagalout I was right, the SI is now a 2005 one, here is the link. The definitions have not changed but if you are going to refer this is the current reference for COMAH. http://www.opsi.gov.uk/si/si2005/20051088.htm Pete

Posted By Alan Hoskins See - by the time you type a response someone else has got in there before you... Must take touch-typing lessons! Alan

Posted By Jay Joshi The Approved classification and labelling guide (Fifth edition)i.e L 131 has:- (a) extremely flammable - those liquids with a flashpoint lower than 0°C and a boiling point lower than or equal to 35°C; (b) highly flammable - liquids which have a flashpoint lower than 21°C but are not extremely flammable; (c) flammable - liquids with a flashpoint equal to or greater than 21°C and less than or equal to 55°C, and which support combustion when tested in the prescribed manner at 55°C. Although the above "classification" helps, you need to know the actual flash point and other physical properties such as auto-ignition temperature etc in context of the operating/ambient temperatures in the workplace.