SPEC: Expansion rate 60¡¢100¡¢200¡¢250¡¢300ml/g PROPERTY: Expandable Graphite has the features of good expandable, and its products have the Features of high temperature resistance, hot insulation, lubrication and chemical stability. USAGE: (1)additive of metallurgical industry. (2)materials of flexible graphit. (3)absorbent materials of battery. (4)additive of lubricant. (5)additive of refractory.