Original
By certification 
M304T
(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 35kV.
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 | ≥1000% |
| Dielectric strength | IEC 243 | ≥12kV/mm |
| Dielectric constant | IEC 250 | 13-15 |
| Volume resistance | IEC 93 | ≥1.8X1011Ω•cm |
| Loss factor(50Hz) | - | 0.035 |
Adhesive and self-amalgamation |
- | Good |
| Oxygen resistance | - | Pass |
| Heat shock(105℃) | - | Pass |
Dimensions:
2mmX30mmX360mm,5pcs/bag,125bags/carton,
2mmX30mmX300mm,5pcs/bag,125bags/carton,
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.
Molypoly is one of the best and leading electrical stress control mastic(clear) manufacturers and suppliers, who can bring you high-quality electrical stress control mastic(clear) from our professional factory. Customized service is also offered as you may need.
