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Pureflon PTFE Description
PureflonTM PTFE 4D and 4DL are virgin fine powder with low Reduction Ratio. They are produced by dispersion method and designed to produce PTFE unsintered tape, tube, belt and elastic band etc. 4D and 4DL are recommended to be processed through Paste Extrusion method.
Product Features
☆ Low Reduction Ratio ☆ High tensile strength and good extensibility
☆ Smooth Surface Finish ☆ Good chemical resistance
☆ Suitable for Paste Extrusion process
Main Technical Properties
|
|
Unit |
4D |
4DL |
|
Tensile strength |
Mpa |
≥ 32.0 |
≥ 28.0 |
|
Elongation at break |
% |
≥ 300 |
≥ 300 |
|
Bulk density |
g/L |
350 - 550 |
350 - 550 |
|
Average particle size, D50 |
μm |
400 - 600 |
400 - 600 |
|
S.S.G. |
|
2.15 – 2.19 |
2.18 - 2.24 |
|
Water Content |
% |
≤ 0.03 |
≤ 0.03 |
|
Thermal instability index |
℃ |
≤ 50 |
≤ 50 |
|
Extrusion Pressure
(Reduction Ratio 400:1) |
Mpa |
20~40 |
25~45 |
Application
4D: Make medium and high density seal tape, tube, rod, elastic band, belt, various length of Fiber.
4DL: Make low and medium density seal tape, belt etc.
Key Words: PTFE fine powder, PTFE for seal tape |
