Skip to content
Haiflon® – Shanghai Fluorochem Industry Co., Ltd. logo

PTFE Fine Powder

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

HAIFLON® PTFE Fine Powder SF-628L – Haiflon® product photo

Typical Technical Data

PTFE Fine Powder SF-628L – Typical Technical Data
ItemTypical Value
Bulk density, g/l375 – 575
Average particle size, D50 μm400 – 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 pressure20 – 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.

More PTFE Products

Send Your Inquiry

Tell us what you need — our sales team replies within 24 hours on business days.

What do you need? (optional)
No file chosen