Rubber-sheath Cable Insulated Compound

The product execute the standards of GB/T5013-2008 nominal voltage 450/750V (or below), meet the requirements IE4 of The ethylene-propylene rubber mixture or equivalent to the insulating cable material.   Performance…

Product Details

The product execute the standards of GB/T5013-2008 nominal voltage 450/750V (or below), meet the requirements IE4 of The ethylene-propylene rubber mixture or equivalent to the insulating cable material.

 

Performance comparison

Test item Unit GB/T5013-2008(IE4 Test value
Before ageing Tensile strength Intermediate values MPa ≥5.0 6.2
Elongation at Intermediate values % ≥200 320
Heat ageing test of air box Aging conditions Temperature 100±2
Time h 7×24
Tensile strength Intermediate values MPa ≥4.2 7.0
Rate of change % ≤±25 13
Elongation at Intermediate values % ≥200 285
Rate of change % ≤±25 -11
Air bomb ageing test Test conditions Temperature 127±2
Time h 40
Tensile strength Rate of change % ≤±30 17
Elongation at Rate of change % ≤±30 -9
Hot set test Test conditions Temperature 200±3
Load time min 15
Mechanical stress MPa 0.2
Load elongation % ≤100 35
Permanent deformation after cooling % ≤15 10
Ozone resistance test

 

Test conditions Temperature 25±2
Time h 24
Ozone concentration % 0.025~0.030
Test results   No cracks No cracks

 

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