WM-2901E 90 Centigrade Low-smoke Halogen-free Flame Retardant Cable Compound for Telecommunication Cable
Experiment item
|
Unit
|
Standard value
|
Typical value
|
Test method
|
1. Density
|
g/cm3
|
≤ 1.50
|
1.44
|
GB/T 1033
|
2. Tensile strength
|
MPa
|
≥10.0
|
12.3
|
GB/T 1040
|
3. Elongation at break
|
%
|
≥150
|
210
|
GB/T 1040
|
4. Thermal deformation(90℃
× 4h) |
%
|
≤25
|
5
|
GB/T 8815
|
5. Brittleness temperature
|
%
|
Max±30
|
-9
|
GB/T 2951
|
6. Thermal deformation(90℃ × 4h)
|
%
|
-25℃PASS
|
-40℃PASS
|
GB/T 5470
|
7. Brittleness temperature
|
℃
|
-25℃PASS
|
-40℃PASS
|
GB/T 5470
|
8. 20℃ DC volume resistivity
|
Ω•m
|
≥1×10^12
|
5.2×10^12
|
GB/T 1410
|
9. Electric strength
|
MV/m
|
≥20
|
25
|
GB/T 1408
|
10. Oxygen index
|
%
|
≥28
|
30
|
GB/T 2406
|
11.Smoke density non-luminous flame
|
—
|
≤100
|
56
|
GB/T8323
|
12. Halogen acid gas content
|
mg/g
|
≤5
|
0
|
GB/T 17650
|
13.Thermal shock(150℃ × 1h)
|
—
|
PASS
|
PASS
|
GB/T 2951
|