Synatech Fine Chemicals Co., Ltd.

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Expandable Graphite

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Packaging Details:	25kg/1000kg bags

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Detailed Product Description

The Expandable Graphite still retains the characteristics of natural flake graphite, and also has good expandability, loose and porous. Its heat-resistant range under the oxygen-free environment is between -200 to 3000, and it is chemically stable under high temperature, pressure or radiation. When the Expandable Graphite was treated in a twinkling at high temperature, the form of flake is turned into that of worm, and the volume can expand from 100 to 400 times.
It is widely used in the dynamic and static seals in petroleum industry, chemical industry, electric industry, space industry, and automobile industry, etc.
In order to satisfy the market needs, we have developed Ultra Low Sulfur Expandable Graphite in recent years.

Common Expandable Graphite

Grades	Fixed carbon (%)	Ash (%)	Volatile (%)	Expansion Ratio (%)	Sulfur Content		PH Value	Moisture (%)	Particle Size Screen Oversize(%)
					Pre- expansion (ppm)	Post- expansion (ppm)
SKP32	90-99.9	≤8.0	≤10	200-400	≤1000	≤800	3-7	≤1.0	≥80
SKP50				200-350
SKP80				150-250
SKP100				100-200

Ultra Low Sulfur Expandable Graphite

Grades	Fixed carbon (%)	Ash (%)	Volatile (%)	Expansion Ratio (%)	Sulfur Content		PH Value	Moisture (%)	Particle Size Screen Oversize(%)
					Pre- expansion (ppm)	Post- expansion (ppm)
SKP32	90-99.9	≤8.0	≤12	200-400	≤800.	≤200	3-7	≤1.0	≥80
SKP50				200-350
SKP80				150-250
SKP100				100-200