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1.CHL-black——continuous vulcanized sheath rubber compound for marine cable
2.CHG-black——tank curing sheath rubber compound for marine cable
According to different requirements to index, each kind of product is classified into three grades, for example: CMH-L black-1 CHL balck-1 CHL black-2 CHL black-3
This series of rubber compound is produced according to GB/T17556-1998 standard, namely 85ºC common incombustible sheath rubber compound. Long-time work temperature of applicable conductor should be 85°C. It can be used with 90°C insulating rubber together. It’s property of cold resistance is in accordance with the requirement of GB9331-88 marine cable. Property of flame reaches class A and Class B test requirement of GB1266.5-90C bunched burning.
No.
test items
unit
requirement
result
before aging
tensile strength ≥
Mpa
10.0
12.6
elongation at break≥
%
300
457
test of heat aging
aging condition
temperature
℃
100±2
time
H
7*24
tensile strength after aging≤
±30
-6
elongation at break after aging
Mid value≥
250
425
Rate of change
±40
-7
Test of heat elongation
test condition
temperature of air
200±3
loading time
Min
15
mechanical stress
20
Elongation rate under load ≤
175
permanent deformation after cooling≤
8.6
Test of oil dipping
oil temperature
oil immersion time
24
rate of change of tensile strength ≤
-5
rate of change of elongation rate at break≤
2
Weifang Honghai Plastics Technology Co., Ltd.
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