Ningbo Sunwell Sealing Materials Co.,Ltd is one of the leading China pure flexible graphite sheet manufacturers and suppliers with one of the famous brands, and we are also a professional pure flexible graphite sheet company and factory, welcome to contact us.
Description
Flexible Graphite Sheet, normally we call it "Expanded Graphite Sheet", it is made from high quality and purity flake graphite, which is gone through chemical treatment, expanding under high temperature and then rolling. It is a basic material for making different kinds of graphite sealing products.
SUNWELL B201N – Nuclear grade Flexible graphite sheet
Typical Application
> Made for packing rings and various kinds of gaskets
> Cut into strip for filler of spiral wound gasket – Style TP201
> Used widely in chemical, automotive and pump, valve industries
Prime Features
> Lone life and less maintenance
> Replacement for asbestos, new more applications are being indentified daily.
Flexible graphite sheet Manufacturer & Supplier.
Technical Data
| Item | Industrial grade | Nuclear grade |
| Tolerance of density g/cm3 | +/-0.06 | +/-0.05 |
| Carbon content >/= % | 98/99 | 99.5 |
| Tensile strength >/= Mpa | 4 | 5 |
| Compressibility >/= % | 30 | 30 |
| Recovery >=/ % | 15 | 15 |
| Sulphur content </= % | 1200 | 700 |
| Chlorine content </= % | 50 | 25 |
| Stress relaxation rate % | 10 | 10 |
| Lgnition loss </= % | 2.0 | 0.5 |
Temperature: -240~+500°C under oxidizing environment
-240~+3500°C under non-oxidizing environment
PH: 0~14
Dimensions
| Item | Sheets | Rolls |
| Density g/cm3 | 1.0 | 1.0 |
| Length | 1000,1500mm | 30~100m |
| Width mm | 1000,1500 | 1000~1500 |
| Thickness mm | 0.5~3.0 | 0.2~1.1 |
Special density and thickness, shape or grade available on request
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