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 1. COMPOSITION AND PRESENTATION
Telephone paper is made from 100% high-quality sulfate wood pulp.Telephone paper has A, B and C grades. A and B grades can be used for communication cable. This product has DHHH-50 and DH-75 types. Telephone paper is reel. Width of reel: 350mm, 400mm, 500mm and 620mm or according order. Deviation of width: ≤±3mm.
Color of telephone paper is natural color of fiber, red, blue or other colors based on order.
2. PROPERTIES & APPLICATIONS
It is suitable for communication cable and other electrical equipment
3. MAIN TECHNICAL CHARACTERISTICS
|
Index name |
Unit |
Specification |
|
DH-50 |
DH-75 |
|
A |
B |
C |
A |
B |
C |
|
Thickness |
mm |
+0.004 0.05-0.002 |
+0.006 0.075-0.003 |
|
Apparent density ≤ |
g/cm3 |
0.80 |
0.82 |
0.80 |
0.82 |
|
Tensile strength ≥ |
MD |
kN/m |
4.05 |
3.60 |
3.27 |
4.90 |
4.70 |
4.58 |
|
CD |
1.58 |
1.44 |
1.96 |
|
Stretch ≥ |
MD |
% |
2.0 |
|
CD |
4.0 |
|
Ash content ≤ |
% |
0.80 |
1.00 |
0.80 |
1.00 |
|
Electrical conductivity of water extract ≤ |
ms/m |
5.0 |
7.0 |
10.0 |
5.0 |
7.0 |
10.0 |
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