Conventional irradiated low-smoke halogen-free flame-retardant polyolefin sheathing material

Serial number Product name Product grade Main uses of the product
1 90°C irradiated LSZH-free flame retardant sheath C3090  

 

It is suitable for boat cables, force cables, control cables, etc

2 90°C irradiated LSZH-free flame retardant sheath thermal life material C6090
3 105°C irradiated LSD flame retardant sheath C3105
4 125°C irradiated LS-free flame retardant sheath C3125

 

 

Testing items

 

Unit

C3090 C6090
Standard value Typical values Standard value Typical values
Density g/cm³ ≤1.55 1.48 ≤1.50 1.43
Shaw hardness A 98 96
Tensile strength Mpa ≥9.0 12.5 ≥9.0 10.5
Elongation at break % ≥120 170 ≥150 180
Volumetric resistivity Oh · cm 1.0×1012 4.0×1014 1.0×1012 7.0×1014
Air thermal aging test ℃xh 120×168 120×168
The rate of change in tensile strength % ≤±25 -5 ≤±25 +10
Rate of change in elongation at break % ≤±25 -10 ≤±25 -9
Low temperature impact embrittlement -30 -40
Failure number individuals ≤15/30 0/30 ≤15/30 0/30
Oxygen index % ≥30 35 ≥30 33
Smoke density
There is flame % ≤100 70 ≤100 80
Conductivity μs/ mm| ≤10 7.0 ≤10 6.9
PH value  

≥4.3 5.0 ≥4.3 5.8
Thermal extension ℃, Mpa.min 200±3,0.2,15 200±3,0.2,15
Elongation under load % ≤100 65 ≤100 55
Permanently deformed after cooling % ≤25 1 ≤25 2

 

 

 

Testing items

 

Unit

C3105 C3125
Standard value Typical values Standard value Typical values
Density g/cm³ ≤1.55 1.48 ≤1.50 1.44
Shaw hardness A 97 97
Tensile strength Mpa ≥9.0 12.5 ≥9.0 12.0
Elongation at break % ≥120 180 ≥150 180
Volumetric resistivity Oh · cm 1.0×1012 3.5×1014 1.0×1012 2.8×1014
Air thermal aging test ℃xh 135×168 158×168
The rate of change in tensile strength % ≤±25 +5 ≤±25 +11
Rate of change in elongation at break % ≤±25 -9 ≤±25 -9
Low temperature impact embrittlement -25 -25
Failure number individuals ≤15/30 0/30 ≤15/30 0/30
Oxygen index % ≥30 36 ≥28 34
Smoke density
There is flame % ≤100 60 ≤100 74
Conductivity μs/ mm| ≤10 7.1 ≤10 6.5
PH value  

≥4.3 6.2 ≥4.3 5.7
Thermal extension ℃, Mpa.min 200±3,0.2,15 200±3,0.2,15
Elongation under load % ≤100 62 ≤100 58
Permanently deformed after cooling % ≤25 3 ≤25 2