1.we are professional in expandable graphite. 2.Specifications:100,150,180,200,250,280,300 times Function:It possesses fine expandable ,high temperature resisting, heat insulation, lubricating,moulding,chemical stable and other charactersties.Brand NoVolatile(%)≤Ash(%)≤Moisture(%)≤PH ValueParticle size(%)≥Expansion multiple(Ml/g)≥99 32 30015113-77530099 32 28015113-77528085 32 150151513-77515099 ...