| The polyurethane foams was a kind of high molecular synthetic material,Its performance was excellent and can be used widely.But being burned,it can get out the poison gas . Especially it had caused some accidents which a lot of peoples died of.In this paper,the risks of polyurethane foams caused by fire accident,especially the process and products of combustion,and.the fire protection by studing fire accident examples were discussed.It come to the safety countermersure on both technology and management when using ployurathane foams as heat-preservation materials.Finally,by making experients on choosing fire-proof method of ployurathare foams, and the analysed result by OI and Cone Calorimeter ,the best result had got.
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