Expandable Graphite Its fixed carbon content is 90%~99.9%, its expansion ratio is 50~400. or as your request

Expandable Graphite

Chemical Composition
F.C.	Volatile (≤%)	Moisture (≤%)	PH	Expansion Ratiocm3/g
90-99.9	13	1	3-7	200-400
				200-350
				150-250
				100-200
				50-120

Expandable Graphite