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Home > Metallurgy, Mineral & Energy > Graphite & Products > Graphite Crucible > Graphite Sheets

Graphite Sheets

Negotiable MOQ: 200 Pieces (Price negotiable depending on order volume and customization)

Key Specifications

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Brand Name:

Place of Origin:

China

Model Number:

GSS

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Beijing Greatwall Co., Ltd

Payment & Shipping

Payment Methods:

Port of Shipment:

China

Delivery Detail:

7 days

Product Details
Company Profile
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Brand Name Gw

Place of Origin China

Model Number GSS

Description
This unique material is based on natural graphite flakes with well crystalline structures, which is through chemical treatment, expanding under high temperature and then rolling. Properties are highly anisotropic, particularly in respect to electrical and thermal conductivity. Graphite foils and sheets are available in different thicknesses. Graphite sheets are manufactured unreinforced, impregnated or reinforced.

Graphite Foil/Sheet

Main Applications
·Automotive
a. Automotive seals
b. Bipolar Plates for Fuel Cells
c. Cab Air Conditioning for Trucks

·Electronics
a. Electronics Thermal Management
b. Electrostatic filter plate
c. Cathodes and contacts

·Industrial seals

·Heat Treatment
a. Heating elements and heat shields for high temperature
b. Facings for hot pressing moulds
c. Linings for melting crucibles and casting molds
d. Release foils in glassworks and hot press
e. Base material for vapor phase deposition of metal films
f. Packaging and gaskets for hot gases, melts and heat-carrying oils

Specifications and technical data

·Specifications
Thickness (mm) Width (mm) Length (mm) Density (g/cm3)
Foil Sheet
0.127-1.6 0.127-3.0 4.2-1,500 ?910,000 0.7-1.5

·Technical data Item Grade A Grade B Grade C Grade D Grade E
Carbon content (%) ?99.5 ?99.2 ?99 ?98.5 ?98
Sulphur content (PPM) ?200 ?500 ?1,000 ?1,200 ?1,500
Chlorine content (PPM) ?20 ?30 ?40 ?45 ?50
Tolerance of density ±0.03 ±0.03 ±0.04 ±0.05 ±0.05
Tolerance of thickness (mm) Thickness?1.6mm, ±0.03; Thickness=1.6-3.0mm, ±0.05
Compressibility (%) ?4.5
Tensile strength (Mpa) ?40
Recovery (%) ?10

Note: When the density of the graphite sheet is 1.0 g/cm3, the above product properties are available, and we can manufacture specially as per your requirements. Except above Grade, we can produce:
·Graphite sheet with nuclear class- special material for nuclear power
·Non-oxidizing graphite sheet-much higher working temperature
·Corrosion inhibitor graphite sheet-effective avoid the corrosion to spot on the sealing surface, the sealing is more reliable

Different types of Graphite Sheets

·Graphite Sheets Microperforated/Other unreinforced Graphite Sheets
The products of Graphite Sheets Microperforated are punched small holes in Graphite Sheets, which widely used in furnace to release gas. A wide range of normal Graphite Sheets unreinforced and Graphite Sheets Microperforated with specifications of 1.0–3.0x1500x1500 mm and 1.0-3.0x1000x1000 mm are available.

·Reinforced Graphite sheets
The product is formed by pressing mechanically or sticking from flexible graphite sheets together with metal plate. It has excellent sealing property for microscopic surface irregularities and strong compensation capacity for uneven sealing surface. It also has good compressibility, good resilience, small stress relaxation and long working life. It is mainly used for making cylinder gaskets of engines and punching into all kinds of sealing gaskets. Both sizes of 1.0–3.0x1500x1500 mm and 1.0-3.0x1000x1000 mm are available.