... , 80 mesh, 100 mesh, -100 me 1.Expandable graphite still remains the characteristics of natural graphite and ... petrochemical industry, machinery, spaceflight, a-energy industry etc. 2.Grades: 9950250,9950200,9550250,9550200,9980250,9980200,8550250,8550200 ... Expansion times: 100-300 times ItemCarbon ContentVolatilityMoisturePHParticle Size(80#)Expandable TimesMeshKP995025099%min..13% max.1% max.3~680% ...