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Graphite Foil

 

Flexible graphite foil is made from exfoliated graphite flake and is produced through an extensive calendaring process to give a thin flexible graphite foil with no binder or resins.

Because of the excellent properties such as thermal stability, high and low temperature resistance, impermeability and corrosion resistance, etc. Flexible graphite foil is widely used in fields of industrial sealing, heating elements for high temperature applications and insulation/heat shields.

To meet some special applications and high-quality requirements, products with special properties are available, for example we have the width of 60" (1.5m), low and even non-sulfur content or tensile strength of 70 bar (1015 psi) and above.

 
ADVANTAGES
 
  • Asbestos-free
  • No respirable fibers
  • No health hazard
  • No aging or embrittlement
  • Non-toxic and suitable for foodstuffs and potable water
  • Low chloride content
  • Excellent chemical resistance with no hot or cold flow
  • Excellent impermeability to gas and fluids
  • Easily cut and punched
 
APPLICATIONS
 
  • Glands
  • Pressed packing rings
  • Gaskets used in flanges, covers of observation holes, level meters.
  • Spiral-wound graphite gaskets
  • Stuffing box packing
  • Crinkle tapes for stuffing box packing
  • Release foils in glassworks and hot presses
  • Backing strips for welding operations
  • Excellent creep resistance
  • Electrostatic filter plates
  • Cathodes for electrolysis of liquids; electrical contacts
  • Vessel linings and coatings against hot and aggressive media
  • Facings for hot pressing molds
  • Basic material for vapor phase deposition of metal films
  • Protective material against laser beams
 
Graphite Foil Product Grades & Properties
 
PRODUCT
DESCRIPTION
Shanghai Gongye FOIL-ST Standard foil grade
Shanghai Gongye FOIL-OR Foil with excellent Oxidation resistant properties
Shanghai Gongye FOIL-HC Foil with high Carbon content up to 99.5%
Shanghai Gongye FOIL-LS Foil with low Sulfur content 300ppm
Shanghai Gongye FOIL-HTS Foil with high Tensile Strength up to 70 bar
Foil with high Tensile Strength up to 994 psi
Shanghai Gongye FOIL-JUMBO Foil with 60" wide
Foil with 1.5m wide
 
Properties of Graphite Foil
SPECS
TEST METHOD
DATA
Bulk Density
ASTM F1315
43.75~68.70(±0.13) lbs/ft3
0.70~1.10(±0.05) g/cm3
Ash Content
ASTM C561
<1%
Sulfur Content
ASTM C616
<1200 PPM
Fluorine Content
ASTM D1179
<50 ppm
Chlorine Content
ASTM F1277
<50 ppm
Tensile Strength
ASTM F152
< 40 bar
<580 psi
Comprehensive Strength
ASTM C695

< 2000 bar
<29000 psi

Recovery
ASTM F36
<12%
Compressibility
ASTM F36
<40%
Applied Temp Range
  -328~1112°F
-328~5972°F (in non-oxidizing media)
-200~600°C
-200~3300°C (in non-oxidizing media)
Ignition Loss
  <1% with 1hr at 842°F(± 50°F)
with 1 hr at 450°C (±10°C)
 
Graphite Foil Standard Sizes
 
CODE
DENSITY
THICKNESS
07025
43.75 lbs/ft3 (± 4.37)
0.70 g/cm3 (± 0.7)
0.010(± 0.0008)"
0.25(± 0.02) mm
07038
0.015(± 0.0008)"
0.38(± 0.02) mm
07050
43.75 lbs/ft3 (± 3.12)
0.70 g/cm3 (± 0.05)
0.020(± 0.0012)"
0.50(± 0.03) mm
07075
0.030(± 0.0012)"
0.75(± 0.03) mm
07080
0.032(± 0.0012)"
0.80(± 0.03) mm
07100
0.040(± 0.0012)"
1.00(± 0.03) mm
07150
0.060(± 0.0012)"
1.50(± 0.05) mm
10020
62.50 lbs/ft3 (± 4.37)
1.00 g/cm3 (± 0.07)
0.080(± 0.0008)"
0.20(± 0.02) mm
10025
0.010(± 0.0008)"
0.25(± 0.02) mm
10036
0.015(± 0.0008)"
0.38(± 0.02) mm
10050
62.50 lbs/ft3 (± 3.12)
1.00 g/cm3 (± 0.05)
0.020(± 0.0012)"
0.50(± 0.03) mm
10075
0.030(± 0.0012)"
0.75(± 0.03) mm
10080
0.032(± 0.0012)"
0.80(± 0.03) mm
10100
0.040(± 0.0012)"
1.00(± 0.03) mm
10150
0.080(± 0.002)"
1.50(± 0.03) mm
11033
68.70 lbs/ft3 (± 4.37)
1.10 g/cm3 (± 0.07)
0.015(± 0.0008)"
0.38(± 0.02) mm
12013
75.00 lbs/ft3 (± 4.37)
1.20 g/cm3 (± 0.07)
0.050(± 0.0008)"
0.13(± 0.02) mm
12020
0.080(± 0.0008)"
0.20(± 0.02) mm
 
WIDTH
LENGTH
20" (+0.08") 40"(0.04")
500mm(+2mm), 1000mm(+1mm)
164"(+8~), 328�� (+8")
50m(+200mm),100m(+200mm)
 
Graphite Foil Product Grades
 
SIZE
INNER PACKAGE
OUTER PACKAGE
0.02" x 39.40" x 164"
0.50mm x 1.00mm x 50mm
Each roll in a vauum sealed plastic bag within a canon
16 or 12 cartons per wooden crate
0.03" x 39.40" x 164"
0.75mm x 1.00mm x 50mm
Each roll in a vauum sealed plastic bag within a canon
9 cartons per wooden crate
0.04" x 39.40" x 164"
1.00mm x 1.00mm x 50mm
Each roll in a vauum sealed plastic bag within a canon
9 or 6 cartons per wooden crate
 
Based on order, special sizes and packaging are available
 
Data are avarage results of test conducted under standard procedures and are subject to variation. Results should not be used for specification purposes. Note: A material safety data sheet is available upon request. The information, recommendations and opinions set forth herein are offered solely for your consideration, inquiry and verification, and are not, in part or total, to be construed as constituting a warrant or representation for which we assume legale responsibility. Nothing contained herein is to be interpreted as authorization to practice patented invention without a license.
Shanghai GongYe International Co.,Ltd 417 Ju Lu Road, Unit 1005. Shanghai, China 200020
Email: gongye@shgongye.com  Tel: 86-021-55662371, 55662372  Fax: 86-021-61304657, 55662371*8009