P-toluenesulfonyl semicarbazide Melecular formula: ch3c6h4so2nhnhconh2 CAS NO.: 10396-10-18 appearance: white powder content: 98% Decompose temperature: 224-235'c moisture: 0.5% max ash: 0.5% max gas delivered: 140-150ml/g (double of AC) granularity: 95% pass 100 screen mesh packing: 25kg weave bag pocket or 25kg paper drum USE: foaming agent RA PTSS is the high temperature vesicant. it is used in lots of hard PVC. HDPE. polypropylene, polycarbonate, nylon, ABS, nature rubber, styrene butaadiene rubber etc. synthetic rubber foaming agent.