Rubber Compound For Marine Cable Sheath (Equivalent To Xh-21a)

This series of Rubber Compound for Marine Cable Sheath (Equivalent to XH-21A) is produced according to GB/T17556-1998 standard, namely 85A C common incombustible sheath rubber compound. Long-time work temperature of applicable conductor should be 85A C. It can be used with 90A C insulating rubber together. Ita 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.
CHL-blacka a continuous vulcanized sheath rubber compound for marine cable
CHG-blacka a 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

No. test items unit requirement result before aging tensile strength a Y Mpa 10.0 12.6
Elongation at breaka Y % 300 457
Test of heat aging aging condition temperature a 100A 2 100A 2
Time H 7*24 7*24
Tensile strength after aginga % A 30 -6
Elongation at break after aging Mid valuea Y % 250 425
Rate of change % A 40 -7
Test of heat elongation test condition temperature of air a 200A 3 200A 3
Test condition loading time Min 15 15
Mechanical stress Mpa 20 20
Elongation rate under load a % 175 15
Permanent deformation after coolinga % 15 8.6
Test of oil dipping test condition oil temperature a 100A 2 100A 2