PTFE Fine Powder SF-628L
- Packaging:
- 20 kg/carton
seal tape (medium-low density), short fiber Haiflon® PTFE Fine Powder SF-628L is a virgin PTFE dispersion resin with a low reduction ratio, produced by dispersion polymerization. It is designed for paste extrusion of medium-low density unsintered seal tape and tapes, and is also suitable for short fiber applications. Product features Applications Comparable grades: 3M/Dyneon TF 2021Z series (typical) Note: Cleanliness: Excellent grade.
Main Applications
Medium-low density seal tape; tapes; short fiber
Typical Technical Data
| Item | Typical Value |
|---|---|
| Bulk density, g/l | 375 – 575 |
| Average particle size, D50 μm | 400 – 575 |
| Moisture content, % | ≤ 0.03 |
| Standard specific gravity (SSG) | 2.20 |
| Tensile strength, MPa | ≥ 24 |
| Elongation at break, % | 480 – 550 |
| Reduction ratio (RR) | Max 400 : 1 |
| Extrusion pressure | 20 – 40 MPa (at RR 400:1) |
Values shown are typical product specifications and are not intended as purchase specifications. Contact us for detailed, up-to-date technical data.
Other Grades in this Category
PTFE Fine Powder SF-6022C
Thin-wall tubes; electric wire coatings (high RR)
PTFE Fine Powder SF-628
Medium-high density seal tape; tube, rod, elastic band, fiber
PTFE Fine Powder SF-628AD
Anti-dripping additive for flame-retardant engineering plastics
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