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Graphite Foil/Tape : SV-GF
SupervacTM is top manufacturer and supplier in India, of Graphite foil (SV-GF) which is smooth, paper like in texture and has unique properties. These foils are manufactured by a patented process of EXFOLIATION and hot pressing: a technology which very few companies in the world possess. Because of its excellent electrical conductivity, anti-corrosion and thermal resistant properties coupled with compressibility and flexibility, SV-GF works outstandingly in various applications. SV-GF’s pure, compressive strength packs in denser amounts of graphite per sq.cm.
In Vacuum deposition, it is used as electrically conductive and thermally resistant packing between the clamp and the evaporation boat.
Sizes: 15 x 0.2 mm, 15 x 0.5 mm, 15 x 0.35 mm, 20 x 0.2 mm, 20 x 0.35 mm, 35 x 0.5 mm
Features & Benefits of Graphite Foil / Tape : SV-GF
It is manufactured in varying thicknesses.
Highly compressible – compressive strength is much more than ordinary graphite foils available in the market.
Very Pure – as it contains no bonding agents like adhesives, rubber compounds or resins.
Because of very high purity 100% electrical conductivity is maintained and there is no loss of current or excessive heating.
Corrosion resistant- SV-GF exhibits inertness to most of the chemicals except those of highly degenerative nature e.g., hot concentrated nitric acid.
Temperature resistant- in the absence of any binders, pure graphite SV-GF can withstand very low temperatures of cryogenic liquids like liquid oxygen to very high temperatures like those of molten metals like molten steel and aluminum.
Much higher tensile strength compared to other low grade graphite foils available in the market.
Does not melt even at very high temperatures.
Excellent sealing characteristics.
Excellent insulating barrier.
Does not require special conditions for flange faces.
No cold flow or creep phenomenon experienced with SV-GF.
Self-lubricating – Being silky smooth in texture, SV-GF has a very low co-efficient of friction; hence, prevents cleaving and grazing between machinery parts
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What sizes of graphite foil do you supply ?
We supply all sizes of graphite foil based on the requirements of our valued customers.
I understand purity is very important in a graphite foil. How do you maintain that ?
SupervacTM manufactures graphite foil by a patented process of EXFOLIATION and hot pressing. This manufacturing process ensures that graphite foil has 100 % graphite and no impurities or binders.
Specifications of of Graphite Foil / Tape : SV-GF
|Working Temperature||> 2400 °C|
|Bulk Density||1.1 g/cc|
|Shore Hardness||≥ 25|
|Tensile Strength||≥ 4.5 Mpa|
|Thermal Conductivity @ 20 °C|
180 - 200 W/K.m
4 – 6 W/K.m
|Coefficient of thermal Expansion in 20 – 1000 °C Range|
1.0 x 10-8 /K Approximately
~30 x 10-8 /K Approximately
|Sulphur Content||< 1000 ppm|
|Chloride Content||< 30 ppm|