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70–130g/Cc Expandable Graphite Powder 50 Mesh For Thermal Additive

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Qingdao Hensen Graphite Co., Ltd.

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70–130g/Cc Expandable Graphite Powder 50 Mesh For Thermal Additive

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Brand Name :	Hensen
Model Number :	7015070
Price :	USD$2200/TON
Payment Terms :	T/T
Supply Ability :	300 ton per month
Delivery Time :	30 working days

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70–130g/Cc Expandable Graphite Powder 50 Mesh For Thermal Additive

Expandable Graphite Powder 7015070

Product

Expandable graphite is a synthesized intercalation compound of graphite that expands or exfoliates when heated. This material is manufactured by treating flake graphite with various intercalation reagents that migrate between the graphene layers in a graphite crystal and remain as stable species.
If exposed to a rapid increase in temperature, these intercalation compounds decompose into gaseous products, which results in high inter-graphene layer pressure. This pressure develops enough force to push apart graphite basal planes in the “c” axis direction. The result is an increase in the volume of the graphite of up to 300 times, a lowering of bulk density, and approximately a 10-fold increase in surface area.

Grade Name	Mesh	Expansion Ratio (cc/g)	Purity (%)	Moisture (%)	PH	Sulfur (ppm)	Onset Temp (°C)	Application
HS555	+50	250:1	95-97	<1	6-9	*	160-180	PU foam, Bituman.
HS855	+50	250:1	98-99	<1	6-9	*	160-180	PU foam, Bituman.
HS955	+50	250:1	99-99.5	<1	6-9	*	160-180	PU foam, Bituman, for application require least instruments damage.
HS085	+80	250:1	90-95	<1	6-9	*	160-180	PU foam, EPS foam, XPS foam, sealing strip.
HS585	+80	250:1	95-97	<1	6-9	*	160-180	PU foam, EPS foam, XPS foam, sealing strip.
HS055	+50	250:1	90-95	<1	6-9	*	160-180	PU foam, EPS foam, XPS foam, sealing strip.
HS988	+80	180:1	99-99.5	<1	6-9	<1500	*	Graphite foil, roll, gaskets.

Application

Graphene precursor.
Inorganic source of carbon.
Filler.
Thermal additive.
Fire retardant additive.
Casting powders.
Plastic additive.
Rubber additive.

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