Mining cable sheathing compou..
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Marine cable sheathing compound

This product is produced according to GB/T 7594.9-87 standards; ordinary duty flame-retardant rubber sheath 85 Centigrade.
List 2  Indicator requirements and measured performance                        

No. Test item Unit Requirements Results
Before aging Tensile strength       Mpa ≥10.0 11.9
Elongation at break     ≥300 457
  Air oven aging test Ageing condition Temperature ºC 100±2 100±2
Time h 7×24 7×24
Change rate of anti-expansion strength ±30 -6
Elongation at break after aging Median ≥250 425
Change rate   ±40 -7
Thermal extension test Test conditions Air temperature ºC 200±3 200±3
Load time min 15 15
Mechanical stress N/cm2 20 20
Elongation under load   ≤175 15
Permanent deformation after cooling    ≤15 8.6
Oil immersion test Test conditions Oil temperature ºC 100±2 100±2
Oil immersion time h 24 24
Tensile strength change rate   ±40 -5
Change rate of elongation at break  ±40 2

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