WT900 - Rubber Mastic Tape


Composed of elastic insulating material and waterproof sealant, it has lower cost and economic benefit than WT200. It is suitable for sealing and waterproofing of power cable joints and communication cable joints, as well as the insulation and corrosion protection of high and low voltage busbars.

Operating temperature range:
  • Continuous operating temperature :-20℃~90℃



Standard color :Black
  • Characteristics
  • Specification
  • Technical Data
  • Flexible material, easy construction
  • Anti-ultraviolet
  • Abrasion, acid, and alkali resistant
  • Waterproof
Part NumberSize
Thickness(mm)Width(mm)Standard Length(Meter)
WT900 1.7 38 3

Other sizes can be customized on requested.

Operating instruction:
Stretch the tape with proper strength by 1/2 overlap winding, tear the quarantine paper at the same time when winding, press hard on the end of the tape to let the tape is adhered to the cable sheath.

PropertyTest MethodTypical Value
Tensile strength ASTM D412 ≥2Mpa
Elongation at break ASTM D412 ≥800%
Dielectric strength ASTM D4325 ≥20KV/mm
Volume resistivity ASTM D991 ≥1014 Ω‧cm