... above 4000pa2.size:M,L,XL3.heat resistant4.EC/CCS approvalHeat radiation resistance: under heat radiation of 10kw/m2, about ... in 1981. It is characteristic of radiation resistant of heat, fireproof, heat insulation, waterproof insulation softness, high strength, corrosion ... continued burning time: less than 2 seconds. 2.Heat radiation resistance: under heat radiation of 10kw/m2, about 30 seconds, the ...