.png?x-oss-process=image/resize,w_100/quality,q_100)
PTFE MOULDED SHEET
Products Description
PTFE molded sheet is manufactured by molding process with PTFE regular resin and sintering.It is very suitable for seals, lining,diaphragm, spacer guide and bearing pad for bridge.
Specifications
|
Thickness(mm) |
Width(mm) 1000*1000 |
Width(mm) 1200*1200 |
Width(mm) 1500*1500 |
Width(mm) 1800*1800 |
Width(mm) 2000*2000 |
|
2 |
l |
l |
l |
-- |
-- |
|
3 |
l |
l |
l |
-- |
-- |
|
4 |
l |
l |
l |
l |
l |
|
5 |
l |
l |
l |
l |
l |
|
6 |
l |
l |
l |
l |
l |
|
8 |
l |
l |
l |
l |
l |
|
10 |
l |
l |
l |
l |
l |
|
15 |
l |
l |
l |
l |
l |
|
20 |
l |
l |
l |
l |
l |
|
25 |
l |
l |
l |
l |
l |
|
30 |
l |
l |
l |
l |
l |
|
40 |
l |
l |
l |
l |
l |
|
50 |
l |
l |
l |
l |
l |
|
60 |
l |
l |
l |
l |
l |
|
70 |
l |
l |
l |
l |
l |
|
80 |
l |
l |
l |
-- |
-- |
|
90 |
l |
l |
l |
-- |
-- |
|
100 |
l |
l |
l |
-- |
-- |
Technical datas of virgin PTFE sheet
|
Item |
ASTM |
Data |
Unit |
|
Mechanical Properties |
|||
|
Density |
D792 |
2.1~2.2 |
g/m3 |
|
Tensile strength |
D638 |
≥15 about 20 ~ 45 |
MPa |
|
Elongation at break |
D638 |
≥150 about 200~ 350 |
% |
|
Compression strength |
D695 |
24 |
MPa |
|
ShoreD Hardness |
D636 |
50-60 |
- |
|
Friction coefficient |
on steel |
0.01 |
- |
|
Thermal Properties |
|||
|
Working Temp |
|
-180 ~ 260 |
°C |
|
Melting point |
|
330 |
°C |
|
Produce Max. Temp |
|
390 |
°C |
|
Fire Resistance |
UL94 |
V-0 |
|
|
Brittle point temperature |
|
-268 |
°C |
|
Electrical properties |
|||
|
Dielectric strength |
D149 |
>1400 |
kV/mm |
|
Volume resistivity |
D257 |
>1018 |
Ω·cm |
|
Surface Resistivity |
D257 |
>1016 |
Ω |
|
Dielectric constant |
D150 |
2.1 |
|
|
Conventional properties |
|||
|
Chemical solvent resistance |
Excellent |
|
|
|
Water absorption (25℃ ) |
D570 |
0.01 |
24h/% |
|
limit oxygen index |
D2963 |
>95 |
|
