Hangzhou Bright Rubber Plastic Product Co., Ltd. is one of the leading manufacturers and suppliers of thermoplastic gasket sheet graphite or carbon filled ptfe flat washer in China. If you're going to buy thermoplastic gasket sheet graphite or carbon filled ptfe flat washer made in China, welcome to get more information from our factory. We also accept customized orders.
Product Description
FILLED PTFE GASKET FOR VALVES
Produced by molding and mechanical processing of suspension PTFE resin.
CATEGORIES:
Fill different materials according to customers' requirement, such as carbon powder, polystyrene, glass fiber, graphite, copper powder, etc.
FILLED PTFE MATERIAL:
| Glass Fiber | Increases compressible strength, rigidity and wear. Reduces creep and cold flow Minimal effect on chemical and electrical properties |
| Carbon | Increases compressible strength, hardness, wear, and load properties. Good chemical resistance Various types and amounts of carbon can be added to alter conductivity |
| Graphite | Reduces coefficient of friction Reduces initial wear Increases strength |
Molybdenum Disulfide |
Increases hardness, stiffness, and wear Minimal effect on chemical and electrical properties |
Polybenzoate |
Improve the creep resistance, dimensional stability,high temperature; |
| Bronze | Increases hardness and wear resistance Increases dimensional stability and compressive strength Not suitable for corrosive or electrical applications |
SPECIFICATIONS:
Wide range of categories,could process according to customers' requirements.
MAIN PROPERTIES:
| Item | Pure PTFE | 60% Bronze | 20% Glass fiber | 15% Glass Fiber 5% graphite | 20% Carbon fiber | Unit |
| Density | 2.18 | 3.9 | 2.26 | 2.22 | 2.01 | g/m3 |
| Tensil Strength | 276 | 127 | 175 | 158 | 189 | MPa |
| Elongation at break | 238 | 101 | 207 | 205 | 92 | % |
| ROCKWELL Hardness | 3.2 | 33.8 | 6.4 | 11.3 | 32.1 | - |
| Friction coefficient | 0.13 | 0.18-0.2 | 0.2-0.24 | 0.15-0.17 | 0.16-0.18 | - |
| Bending strength | 207 | 280 | 210 | 225 | 320 | ºC |
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