PTFE Fine Powder SF-628
- Packaging:
- 20 kg/carton
seal tape (medium-high density), tube, rod, elastic band, fiber Haiflon® PTFE Fine Powder SF-628 is a virgin PTFE dispersion resin with a low reduction ratio, produced by dispersion polymerization. It is designed for paste extrusion of medium-high density unsintered seal tape, and can also be used for tubes, rods, elastic bands, tapes and fibers of various lengths. Product features Applications Comparable grades: Daikin F-104, 3M/Dyneon TF 2021Z, Chemours (DuPont) Teflon™ 60X Note: Cleanliness: Excellent grade. SF-628L is the companion grade for medium-low density seal tape.
Main Applications
Medium-high density seal tape; tube, rod, elastic band, fiber
Typical Technical Data
| Item | Typical Value |
|---|---|
| Bulk density, g/l | 495 |
| Average particle size, D50 μm | 615 |
| Moisture content, % | 0.02 |
| Standard specific gravity (SSG) | 2.18 |
| Tensile strength, MPa | 33 |
| Elongation at break, % | 420 |
| Reduction ratio (RR) | Max 400 : 1 |
| Extrusion pressure | 30 – 50 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)
20 kg/carton View grade →
PTFE Fine Powder SF-628AD
Anti-dripping additive for flame-retardant engineering plastics
20 kg/carton View grade →
More PTFE Products
Send Your Inquiry
Tell us what you need — our sales team replies within 24 hours on business days.