Pureflon PTFE Description
Pureflon® PTFE 4D-F and 4DL-F are virgin fine powder with low Reduction Ratio. They are produced by dispersion method without PFOA involved. 4D-F and 4DL-F are designed to produce PTFE unsintered tape, tube, belt and elastic band etc. They are recommended to be processed through Paste Extrusion method.
Product Features ☆PFOA Free ☆High tensile strength and good extensibility ☆Low Reduction Ratio ☆ Good chemical resistance ☆Suitable for Paste Extrusion process
Main Technical Properties
|
Unit |
4D-F |
4DL-F |
Tensile strength |
Mpa |
≥ 30.0 |
≥ 30.0 |
Elongation at break |
% |
≥ 350 |
≥ 350 |
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-F: Make medium and high density seal tape, tube, rod, elastic band, belt, various length of Fiber. 4DL-F: Make low and medium density seal tape, belt etc.
Key Words: PTFE fine powder, non PFOA PTFE, PTFE for seal tape |