I. Illustration
Based on EVA as its raw material, blended with other additives such as flame retardant agent, anti-smoke agent, antioxidant agent, curing agent, etc, thoroughly blended by mixer, our own produced 90℃ halogen free, low-smoke, flame retardant cable jacket compound is specially designed for the production of halogen-free, low-smoke, flame retardant cable & wire. This compound is widely used in the European Cable & wire companies such as England, France and Germany. Our DCH31HF has its excellent properties such as halogen free, low-smoke, flame retardant, oil-resistant, heat-resistant, low temperature-resistant, environment protection, easy-processing, easy-saving.
II. Application
The compound can be used for outer cable jacket that has the requirement of halogen-free, low-smoke, flame retardant, low pressure properties, such as low pressure cable insulation cable, motor out line cable, motor vehicle cable, underground cable, nuclear powder station cable and similar occasion-used cable. The cable can be long-time used under the temperature between -40~90℃. The compound has good characteristics such as good flexibility, easy- beading, moving, convenient installation lay. We can provide different color according to the customers’ requirement.
Ⅲ. Properties
No. |
Test Item |
Unit |
Standard |
1
1.1
1.2 |
Mechanical properties before aging
Tensile strength
Elongation at break |
Mpa
% |
11.2
190 |
2
2.1
2.2 |
120℃, 168h air oven after aging
Retention on Tensile strength
Retention on Elongation at break |
%
% |
115
80 |
3
3.1
3.2 |
100℃, 70h Oil immersion on ASTM#2
Retention on Tensile strength
Retention on Elongation at break |
%
% |
75
80 |
4
4.1
4.2 |
70℃ 168h oil immersion on 0# light diesel oil
Retention on Tensile strength
Retention on Elongation at break |
%
% |
60
60 |
5 |
Low temperature Tensile strength at -40℃ |
% |
|
6 |
Oxygen Index |
% |
45 |
7
7.1
7.2 |
Corrosion on burning gas
Ph value
Conductivity |
ｕs/mm |
5.6
1.7 |
8
8.1
8.2 |
Electricity
Volume Resistivity at normal temperature
Dielectric Strength |
Ω.cm
KV/m |
4×1014
22.5 |
9
9.1
9.2 |
Rubber Properties
ML1+4100℃
ML1+△5 |
Min
Min |
70
7 |
10 |
Density |
g/cm3 |
1.45 |
11 |
Shore Hardness |
A |
80 |
12 |
Curing Character(170℃)
T10
T90 |
|
|
Ⅳ. Processing Condition
It is recommended that compound should be processing with common rubber extruder, CV production line is preferably recommended.
Reduction Ratio:1.1:~1.5.:1
I/D Ratio:6.1:1~16:1
Temperature:60-80℃
Curing Temperature:(inner temperature of curing pipe)180-200℃.
Ⅴ. Package & Storage
Generally, 25kg in one carton box with inner liner of according to customers requirements. Shape of the material: Rectangle rubber sheet or depends on customers’ requirements. The compound should be stored at clean, dry, draughty warehouse.
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