NFPA 253 使用辐射源测试地板覆盖材料的临界辐射通量的方法
日期:2012-02-10 14:36
NFPA 253 Standard Method of Test for Critical Radiant Flux of Floor Covering Systems Using a Radiant Heat Energy Source
NFPA 253 使用辐射源测试地板覆盖材料的临界辐射通量的方法
1-1.1 This fire test response standard describes a procedure for measuring critical radiant flux behavior of horizontally mounted floor covering systems exposed to a flaming ignition source in a graded, radiant heat energy environment within a test chamber. The specimen can be mounted over underlayment or over a simulated
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