... foaming agent as a dark brown or black oily liquid, no b Product performance characteristicsThis product is the company's long ... of high flash point flammable, volatile, safe use; use no irritating odor. No precipitation of impurities, low melting point, without insulation or heat ... foaming agent as a dark brown or black oily liquid, no bad smell, the proportion of 0.93-0.98,200-350 ...