MRO-Insulating tapes

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M528 Rubber Mastic Tape


Applications:

Primary electrical insulation for cable and wire connections rated up to 20kV, with mastic layer on the surface and rubber layer on the bottom. Primary electrical insulation and protecting joints of communication stations. Moisture seal for cable and wire connections. Jacket seal on power cable applications.

 

Features:

Conformable for application over irregular surface.

Compatible with solid dielectric cable insulations.

Excellent weather and moisture resistance.

Excellent adhesive and sealing characteristics for copper, aluminum and power cable jacket materials.

Working temperature: -55 to 105

 

Technical properties:

Property

Testing method

Typical data

Tensile strength

ASTM D 2671

≥2.0MPa

Elongation at break

ASTM D 2671

≥1000%

Dielectric strength

IEC 243

≥20kV/mm

Dielectric constant

IEC 250

2-3

Volume resistance

IEC 93

≥1X1014Ω•cm

Adhesive and self-amalgamation

-

Good

Oxygen resistance

-

Pass

Heat shock(105)

-

Pass

 

Dimensions:

1.65mmX50mmX3000mm

Other sizes and packing are available on requested.

 

Related information:

The product is supplied as rolls of specified dimensions. Recommend to store in the original packing, protected from moisture, dust, heat and sunlight.



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