MRO-Insulating tapes

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M510 Vinyl Mastic Tape

(Vinyl Mastic Roll, Heavy Duty Vinyl Plastic Electrical Tapes, Plyseal-V Vinyl Insulating Mastic (VM) Tape)



These tape rolls and precut pads are designed to insulate, moisture seal and pad all connections up to 600 volts, and have excellent resistance to abrasion, moisture, alkalies, acid, copper corrosion and varying weather conditions(including sunlight)

Polyvinyl chloride(PVC) backing

Compatible rubber mastic

Flexible over wide range of temperatures

Highly resistant to ultraviolet light

Easily installed to provide maximum protection

Compatible with all common solid dielectric cable insulation

Usable for indoor or outdoor applications




Bolted connections

Service drops

Traffic signal wire connections

Lighting connections

Transformer bushing protection

Padding bolted connections on bus bar

Grounding rod connection protection

Terminal protection

Cable end sealing

Secondary compression connections


Technical properties:


Testing method

Typical data

Tensile strength

ASTM D 2671


Elongation at break

ASTM D 2671


Dielectric strength

IEC 243


Dielectric constant

IEC 250


Volume resistance

IEC 93


Adhesive and self-amalgamation



Oxygen resistance



Heat shock(105)






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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