Power cable accessories
M304
(Stress Relief Mastic, Stress Grading Mastic)
Applications:
To provide stress relief of the electrical field in all MV cables joints and termination for heat shrink and cold shrink technologies. Applicable up to 15kV.
Features:
Equilibrate the electrical field and reduce the electrical stress.
Self-fusing mastic filling voids and irregular shapes
Resistant to water and humidity
Excellent self-sticking
Service temperature: -20℃ to 90℃
Overload temperature: 100℃max
Technical properties:
Property | Testing method | Typical data |
Tensile strength | ASTM D 2671 | ≥0.2MPa |
Elongation at break | ASTM D 2671 | ≥950% |
Dielectric strength | IEC 243 | ≥12kV/mm |
Dielectric constant | IEC 250 | 11-13 |
Volume resistance | IEC 93 | ≥1.5X1012Ω•cm |
Loss factor(50Hz) | - | 0.035 |
Adhesive and self-amalgamation | - | Good |
Oxygen resistance | - | Pass |
Heat shock(105℃) | - | Pass |
Dimensions:
2mmX30mmX360mm
3mmX30mmX300mm
Related information:
The product is supplied as rolls of specified dimensions. Recommend to store in the original packing, protected from moisture, dust, heat and sunlight.
0086-187-4306-1177 
FACEBOOK
