1.we are professional in expandable graphite. 2.Specifications:100,150,180,200,250,280,300 times 3.PH 3-7 5-7 6-8 you ask Name:Expandable graphiteFunction: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- ...