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The special chemical protective clothing has the properties of flame retardant, heat aging, cold resistance, gasoline resistance, radiant heat penetration resistance, insulation, waterproof and strong sealing. It can effectively resist toxic gases such as chlorine, ammonia, hydrogen cyanide, military gas, mustard gas, sarin and nerve gas. Breaking strength: warp direction 1642.8N, weft direction 1044.1N, tear strength: warp direction 28N, weft direction 23.8N, flame retardant performance: afterburning time <2s, smoldering time <2s, carbon loss length <50mm.