customized valve packing seal teflon PTFE valve seat
customized valve packing seal teflon PTFE valve seat
1.Material: PTFE, Filled PTFE, PEEK ,rubber, silicone rubber, nylon, PA6,PA66,bronze etc
2.size:standard size / custom size
3.Color: white or other
4.Package: carton , wooden case or as order
5.Delivery time: 7-25 days
Send me the working condition and sample drawing . Customized SAMPLES will be sent for your evaluation!
PTFE/PEEK filled composites fabrication services include:
1.Engineering, including CAD/CAM, product and tooling design
2.Assistance with material selection
3.Complete precision fabricating and CNC machining services
4.Precision tolerances
Properties | Unit | PTFE |
Density | g/cm³ | 2.18 |
Damp-absorbing rate @23℃ 50RH | % | 0.05 |
Melting temperature | ℃ | 327 |
Thermal properties | ||
Heat conductivity 23℃ | W/(k.m) | 0.25 |
Coefficient of linear expansion 23~100℃ | 10-6 1/K | 120 |
Coefficient of linear expansion 23~150℃ | 10-6 1/K | 120 |
Coefficient of linear expansion >150℃ | 10-6 1/K | 120 |
Distortion temperature 1.8MPa | ℃ | 55 |
The highest short time working time 2hrs | ℃ | 280 |
The highest continous working time | ℃ | 260 |
Oxygen index | % | 44 |
UL grade(1.5/3.0mm) | / | V-0 |
Mechanical properties | ||
Breaking strength | MPa | 25/- |
Elongation at break | % | >50 |
Modulus of elasticity | MPa | 700 |
Charpy without gap | KJ/M² | no break |
Charpy without gap | KJ/M² | 5 |
Ball-indentation hardness | MPa | 30 |
Hot Sale
Chengdou Shuanggao Industrial Co., Ltd.
- Phone: +86 028-81728147
- Business Type:
- Location: China
- Main Products: Carbon fiber, polyimide, polystyrene
- Total Employees:100-500 people
- Year Established:
- Export Markets:
- Total Annual Revenue:
