3.Specifications
Property |
Unit |
High-density |
Semi-density |
Common |
Tensile strength |
MPa |
≥30 |
≥20 |
≥10 |
Elongation at rupture |
% |
≥30 |
≥60 |
≥100 |
1MHz dielectric loss tangent |
|
2.5×10-4 |
-- |
-- |
1MHz dielectric constant |
|
average 1.8-2.2 |
- |
-- |
Dc breakdown voltage (Normal temperature) |
KV/M |
average 200 |
average 60 |
average 30 |
4.Advantages
1. Minimal Water Absorption
2. Excellent Machining
3. Acid and chemical resistant
4. Good Electrical insulation
5. High working temperatures
6. Low friction
7. Surface protect material
Item |
Thickness |
Thickness allowance |
Width |
Width allowance |
Length |
high-density |
0.015mm,0.030mm |
±0.003mm |
30-90mm |
±0.3mm |
≥50mm |
semi-density |
0.030mm,0.035mm |
±0.003mm |
60-90mm |
±0.3mm |
≥100mm |
common |
0.020mm,0.025mm |
±0.003mm |
60-90+mm |
±2.0mm |
≥50mm |