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Scotch® Rubber Mastic Tape 2228

Product Description

Scotch® Rubber Mastic Tape 2228 is a conformable self–fusing rubber electrical

insulating and sealing tape. Scotch® Rubber Mastic Tape 2228 consists of an ethylene

propylene rubber (EPR) backing coated with an aggressive, temperature–stable mastic

adhesive. The tape is made 65 mils (1,65 mm) thick for quick application build–up. It is

designed for electrical insulating and moisture sealing applications. Scotch® Rubber

Mastic Tape 2228 is a UL recognized component for applications up to 130⁰C. It offers

excellent resistance to moisture and ultraviolet exposure and is intended for both

indoor and weather exposed outdoor applications.

Data Sheet

March 2020

Agency Approvals

& Self Certifications

UL recognized component listing not to exceed 130°C (266°F), Product Category

OANZ2, and 3M File No. E17385

For RoHS information, please visit www.3M.com/ROHS

Product Features

• Conformable for application over irregular surfaces.

• Compatible with solid dielectric cable insulations.

• Self–fusing tape.

• Flexible over wide temperature range.

• Excellent weather and moisture resistance.

• Excellent adhesion and sealing characteristics with copper, aluminum and power

cable jacket materials.

• Thick construction allows quick application build–up and padding over irregular

connections.

Applications

• Primary electrical insulation for cable and wire connections rated up to 1000 volts.

• Electrical insulation and vibration padding for motor leads rated up to 1000 volts.

• Primary electrical insulation for bus bar connections rated up to 35kV (3M drawing

2047B–106)

• Padding for irregular shaped bus bar bolted connections.

• Moisture seal for cable and wire connections.

• Moisture seal for service drops.

• Moisture seal for ground wire and rod connections

• Jacket seal on power cable applications