WT200 - Rubber Mastic Tape

-20~+90 Uvproof Rainproof


The outer layer is made of radiation cross-linked elastic rubber and the inner layer is made of waterproof sealants. With the characteristics of the high elastic outer layer and high adhesion adhesive layer, it is suitable for applications of steel pipe anti-corrosion, cable sheath repair, and cable joint sealing in rigorous outdoor environments.

Operating Temperature Range

  • Continuous operating temperature: -20℃ ~ 90℃
  • Emergency overload temperature: 130℃


Standard color: black


  • The elastic outer layer bonds to the covered object tightly
  • UV resistance
  • Resistance to abrasion, acids and alkalis
  • Waterproof
  • Construction indicating sign

Technical Data

Property Test Method Typical Value
Tensile strength ASTM D412 ≥6MPa
Elongation at break ASTM D412 ≥800%
Dielectric strength ASTM D4325 ≥20kV/mm
Volume resistivity ASTM D991 ≥1014Ω‧cm


Part Number Size
Thickness (mm) Width (mm) Standard Length (Meter)
WT200-18 1.8 50 3

Operating instruction:
Stretch the tape with proper strength, overlap winding at 1/2 position, tear off the release paper at the same time when winding, and press hard on the end of the tape to make the tape adhere to the cable sheath.

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