Rubber mastic tape is a conformable self-fusing rubber electricalinsulating and sealing tape, Rubber Mastic Tape consists of Ethylene Propylene Rubber(EPR) backing coated with a strong, temperature stable mastic adhesive.
·Designed for applications to seal and protect joints of communicationstations.
·Provide reliable waterproof and insulation protection for mine,oil fieldand chemical plant where the fire can not be used.
·Sealing and protecting for net and braids.
·Waterproof and insulation pretecting for city light cable joints.
·Self melt character make it easy to pull and wrap around on the articlesand provide excellent sealing properties.
·Double layer, made from elasticity insulation matenals and waterproofmastic.
| Property | Typical data |
| Tensile strength (kN/M) | ≥2.0 |
| Elongation at break (%) | ≥800 |
| Dielectric strength (kV/mm) | ≥18 |
| Dielectric constant | 2–3 |
| Volume resistance (Ω/mm) | ≥1×1014 |
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