Flexible Graphite ---Graphite Foil/Sheet
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.
Specifications
Item |
Thickness |
Width |
Length |
mm |
inches |
mm |
inches |
mm |
inches |
Foil |
0.127-1.60 |
0.005-0.063 |
4.2-1,500 |
0.17-60 |
≤910,000 |
≤36,000 |
Sheet |
0.5/1.0/1.5/3.0 |
0.02/0.04/0.06/0.12 |
1,000/1,500 |
40/60 |
1,000/1,500 |
40/60 |
Typical Grades/Properties
Grades |
Carbon Content |
Sulphur Content |
Chlorine Content |
Tensile Strength |
Compressibility |
Recovery |
% |
ppm |
ppm |
MPa |
% |
% |
BGWI-GF1 |
≥99.5 |
≤200 |
≤20 |
≥4.5 |
≥40 |
≥10 |
BGWI-GF2 |
≥99.2 |
≤500 |
≤30 |
≥4.5 |
≥40 |
≥10 |
BGWI-GF3 |
≥99.0 |
≤1,000 |
≤40 |
≥4.5 |
≥40 |
≥10 |
BGWI-GF4 |
≥98.5 |
≤1,200 |
≤45 |
≥4.5 |
≥40 |
≥10 |
BGWI-GF5 |
≥98.0 |
≤1,500 |
≤50 |
≥4.5 |
≥40 |
≥10 |
| NOTE: |
· The above product properties are available when Bulk Density is 1.0  (63  ).
· Except above Grades, we can manufacture specially as per your requirements below:
— 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.
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Typical 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 1.0-3.0x1,500x1,500mm and
1.0-3.0x1,000x1,000mm 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 commonly used for making
cylinder gaskets of engines and punching into all kinds of sealing gaskets. Both sizes
of 1.0-3.0x1,500x1,500mm and 1.0-3.0x1,000x1,000mm are available as follows:
Grades |
Item |
Compressibility |
Recovery |
% |
% |
BGWI-RGS 01 |
Reinforced Graphite Sheet with 0.1mm AISI316 tanged inserted |
30-40 |
≥15 |
BGWI-RGS 02 |
Reinforced Graphite Sheet with 0.1mm AISI304 tanged inserted |
30-40 |
≥15 |
BGWI-RGS 03 |
Reinforced Graphite Sheet with 0.05mm AISI316 no perforated |
40-50 |
≥10 |
BGWI-RGS 04 |
Reinforced Graphite Sheet with 0.05mm AISI304 no perforated |
40-50 |
≥10 |
BGWI-RGS 05 |
Reinforced Graphite Sheet with 0.2-0.25mm Tin-plate tanged inserted |
10-30 |
≥20 |
BGWI-RGS 06 |
Reinforced Graphite Sheet with 0.2-0.25mm ordinary carbon steel tanged inserted |
10-30 |
≥20 |
BGWI-RGS 07 |
Reinforced Graphite Sheet with metal mesh inserted |
30-40 |
≥15 |
BGWI-RGS 08 |
Reinforced Graphite Sheet with non-metallic fiber inserted |
40-50 |
≥10 |
BGWI-RGS 09 |
Reinforced Graphite Sheet with polyester film inserted |
40-50 |
≥10 |
BGWI-RGS 10 |
Reinforced Graphite Sheet with metal wire inserted |
40-50 |
≥10 |
Typical Applications
· Automotive
— Automotive Seals
— Bipolar Plates for Fuel Cells
— Cab Air Conditioning for Trucks
· Electronics
— Electronics Thermal Management
— Electrostatic Filter Plate
— Cathodes and Contacts
· Industrial Seals
· Heat Treatment
— Heating Elements and Heat Shields for high temperature
— Facings for Hot Pressing Moulds
— Linings for Melting Crucibles and Casting Molds
— Release Foils in Glassworks and Hot Press
— Base Material for Vapor Phase Deposition of Metal Films
— Packaging and Gaskets for Hot Gases, Melts and Heat-carrying Oils
· Industrial Furnace
Please contact us for more information, and we would be welcome the opportunity in supporting you with these projects.
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