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Red Sealing Mastic
Red Sealing Mastic

Red Sealing Mastic >waterproof butyl rubber mastic tape & insulation tape >suitable for applications in power cable terminal

HB1103   Red Sealing Mastic


1. high bonding strength

2. air-tight

3. water-tight

4. excellent electric property

5. weather-proof

6. aging resistance

7. corrosion-resistant

8. mould-proof

9. good elasticity

10.excellent shape property

11. bear bending highly

12. moving operation at low-temperature


1. waterproof sealing mastic is made from butyl composite.

2. the self amalgamating and solvent free make the mastic effectively used in sealing cable joints and terminations to provide waterproof and void-filling.

3. sealing for power cable heat shrinkable outdoor tube joints.

4. bonding to sheds.

5. sealing and binding for high voltage head.

6. using for bonding and sealing position of high pressure head.

7. bonding and sealing to electrical equipment connectors(including outle), cable interface or the electrical control equipment outle.

8. It is suitable for applications in power cable termination and joint 15kv,24kv,36kv.

9. It is suitable for sealing of rain and high voltage cable.

10. Standard color:red.

Use:1.take out of the outside layer of the cable and clean it.

       2.Cover the articles with the mastic

       3.Put the heat shrinkable tubing or power breskouts on it

       4.Use the heating guy to hot up and make it sealing well.

Technical data:


Typical data

Tensile strength


Elongation at break  


Volume resistance


Dielectric strength


Dielectric constant


Adhesive to steel


Operating temperature


Salt resistant

QJ1239.10-87 spray 48 hrs, dryness 48 hrs, Pass

Leaf mold resistant

GJB4.1010-83 Pass


Red Sealing Mastic

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