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Black rectangular vinyl mastic tape pad, self-fusing, 125 mil thick

3M

3M 2200 Mastic Tape 125 mil 600 V Black

SKU CH-PNK9-0CM1W

Self-fusing vinyl insulating tape rated 600 V, 125 mil thick, usable from 0 to 100 °F

  • Color and finishBlack
  • Insulates up to 600 V for safe electrical work
  • 125 mil thickness provides robust mechanical protection
  • Self-fusing rubber adhesive bonds without extra tools
  • Vinyl backing resists moisture and abrasion
  • Performs reliably from 0 to 100 °F

3M 2200 Mastic Tape 125 mil 600 V

This 3M 2200 mastic tape is a self-fusing rubber adhesive product rated for 600 V. It is designed for electricians and maintenance crews who need reliable insulation on cable splices and terminations. The pre-cut pads measure 6-1/2 by 4-1/2 inches with a 125 mil thickness. It operates between 0 and 100 degrees Fahrenheit.

Installation ease and common issues

The vinyl backing and self-fusing adhesive allow the tape to bond to itself without separate heat or solvent steps. Stretch the material tightly around the joint to activate the fusion and eliminate air gaps. Cold conditions near 0 degrees Fahrenheit can stiffen the tape, making it harder to stretch and achieve a void-free seal. Ensure surfaces are clean before application to prevent contamination.

Practical limits of 600 V rating

The 600 V rating defines the maximum voltage for which this insulation is tested. It does not suit medium-voltage distribution circuits or any system exceeding that potential. The 125 mil thickness provides a fixed dielectric margin; users cannot increase voltage withstand by adding layers beyond standard practice. Performance is guaranteed only within the stated 0 to 100 degrees Fahrenheit temperature window.

How it compares

Measured against everything we stock in Electrical Trade Tools & Kits, at today’s prices. Recalculated every night.

Price $9.99
Cheaper than about 96% of the 5,006 comparable items (median $95.99).

Specifications

Product
Brand name3M
Color and finishBlack

Questions about this item

How can I confirm the 3M 2200 mastic tape is sealing correctly after application?

After wrapping, the self-fusing rubber adhesive should bond into a solid, void-free layer that remains flexible between 0 and 100 degrees F and maintains its 600 V insulation rating.

What does the pre-cut pad include and is a separate liner or tool required?

Each piece is a 6-1/2 by 4-1/2 inch pre-cut vinyl-backed pad with self-fusing rubber adhesive; no liner removal or special tools are needed — just stretch and wrap.

Which 3M 2200 variant should I choose for a 600 V splice repair?

The 125 mil thick, 600 V rated black mastic tape in the pre-cut 6-1/2 by 4-1/2 inch format is the version specified for that voltage and insulation duty.

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