... fine crystal powder,with small toxicity,it widely used in the kinds foamer of sulfonyl hydrazide.To lower ... the widely usage,it was called the omnipotent blowing agent.In addition,relying on its good insulation,it is ... Under certain circumstance,it can be used as blowing agent,but also be a cross linker,and can ... ,it will not decompose,also needto store up in the shady and dry place.Far away from ...