Butyl Insulating Mastic Tape and Pads

Product Description

Butyl Insulating Mastic Tape and Pads is a self-amalgamating mastic tape and pad used for
moisture sealing on all types of solid dielectric power cable splices and connections. It is a tacky,
temperature stable mastic with excellent conformability and adhesion to metal and all types of
cable insulations and jackets. It is coated on an easy release liner. It is also RoHS compliant,
resistant to corrosion, chemicals and salt water and has no adverse effect on cable insulations.
Use in conjunction with premium vinyl electrical tape for optimal performance.

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Butyl Insulating Mastic Tape and Pads

Application

• Primary electrical insulation and moisture sealing in splices and terminations of solid
dielectric power cable up to 1kV if over wrapped with vinyl or rubber electrical tape.
• For sealing high-voltage cable splice and termination accessories for 90°C continuous
operation temperature.
• For padding irregular-shaped connections.
• For providing corrosion protection to a wide variety of electrical
connections and applications.
• For sealing ducts and cable end seals.
• For sealing against dust, soil, water, and other environmental conditions.
• Other moisture sealing applications.

 

PVC Tape Properties

Physical Properties

Standard Values

Measured Value

Color

visual

Black

Thickness

mm

3.18

Water Absorption

0.10%

Continuous Operating Temperature℃ 90

℃

90

Emergency Temperature

℃

130

Elongation at break

%

1000

Copper Corrosion

visual

Pass

Heat Exposure（130*1h）

visual

Pass visual Pass

Ozone Resistance 50±5ppm *40*70h

visual

Pass

Low Temperature Resistance（-40*24h）

visual

Pass

Dielectric Strength

KV/mm

14.6

Volume Resistance

Ω.cm

1013

Dimension

25MM (width) X3.2MM (thickness) X 3M (length)