Disperse PTFE Resin ( PTFE for Paste Extrusion )
Items
Disperse PTFE -- 7D
Grade 1
Grade 2
Grade 3
1
Mould Ability
Extruding press ,
27.5 +/- 13.5 MPa
-----------------
Appearance of extrudee
Continuous , straight ,smooth
2
Volume density
g/L
475 +/- 100
3
Average grain
Um
425 +/- 150
4
Moisture
%
0.04% Max
5
Melting point
¡ãC
327+/-10 ¡ãC
Tensile strength
MPa
24 Min
20.7 Min
18.6 Min
Extension at break
350 Min
300 Min
7
Standard relative density
2.17 ¨C 2.23
2.17-2.25
8
Thermal instability index
20 Max
30 Max
9
Dielectric constant
2.1 Max
10
Dielectric Dissipation factor
3 x 10 ¨C4