Product knowledge:
16 CFR 1632 Test method
According to the regulations of 16 CFR 1632, in the experiment, first put a burning cigarette on the surface of a bare mattress to test its flammability, and then cover a bed sheet on the mattress, and roll the bed sheet under the mattress. Then put the burning fire source on the bed sheet (the middle and the edge of the mattress). After the fire source is placed, immediately cover it with another bed sheet, but at the fire source, apply a pin (or other similar) to The bed sheet is set up so that it does not come into contact with the fire source.
Test the carbonization of the surface