Qingdao Global Sealing-tec co., Ltd
Continuously improvement, Quick response and Customer's Satisfaction
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PTFE Features:
1. PTFE gaskets, washers produced by moulded with suspended
PTFE powder or produced by CNC directly
2. PTFE compared with other plastics have good performance of high
temperature resistance,chemical corrosion resistance
3. It widely used for sealing material
Product Description
| Product name | PTFE back-up ring |
|---|---|
| Material | |
| Color | white, red, black etc. |
| Hardness | 40-90 Shore A |
| Size | all sizes, stand size or customized size |
| Work Medium | Hydraulic oil, gas, water, etc |
| Shape | round , square , cup, bowl or according to your request. |
| Packing | carton, box, palstoc bag |
| Advantages | 1.Good abrasion resistance, long lifetime. |
For non-standard parts, samples or drawings are avaliable for us.
Product Show
Main material and properties
| character | PTFE | FEP | PFA | PVDF |
| specific gracity | 2.13-2.22 | 2.12-2.17 | 2.12-2.17 | 1.76-1.78 |
| melting point(℃) | 327 | 270 | 302-310 | 173-175 |
| maximum continous user temperature(℃) | 260 | 200 | 260 | 150 |
| tensile strength(mpa) | 20-45 | 19-22 | 27-35 | 39-59 |
| coefficient of elongation(%) | 200-450 | 250-330 | 280-400 | 300-450 |
| dielectric constant 10^3HZ 10^6HZ | 2.1 2.1 | 2.1 2.1 | 2.1 2.1 | 7.72 6.43 |
| volume resistance(Ω-CM) | >10^18 | >10^18 | >10^18 | >10^14 |
| dielectric breakdown strength v/mil | 480 | 500-600 | 500 | 260 |
FAQ
1. How to produce ?
we can produce according to seal type and sizes .
2 How to make the order?
You can send us email or inquiry at alibaba directly.
3. What is your main market?
Our main market is north America, UK, Australia, Middle East , Europe.
4. Do you provide samples ? is it free or extra ?
We can supply you free samples without extra charges, but express cost is for buyer's account.
5. How is the quality?
Strict control when production, 100% inspection before shipment.