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3M Scotch Rubber Mastic Electrical Insulation Tape 2228 - 2 in x 10 ft Black EPR with UV Protection
Professional electrical insulation and vibration padding for demanding applications
3M Scotch Rubber Mastic Electrical Insulation Tape 2228 delivers reliable primary electrical insulation for cable and wire connections up to 1000 volts. This professional-grade tape features ethylene propylene rubber backing with UV protection and operates in temperatures up to 194�F (90�C). The thick construction enables quick application build-up and effective padding over irregular connections, making it ideal for motor leads and vibration-sensitive applications.
Professional Features & Benefits
- 1000 Volt Rating: Provides primary electrical insulation for high-voltage cable and wire connections with reliable dielectric strength of 500 V/mil
- High Temperature Performance: Withstands operating temperatures up to 194�F (90�C) for demanding industrial and commercial environments
- UV Protection: Ethylene propylene rubber backing resists UV degradation for long-lasting outdoor and exposed applications
- Thick Construction: 1.65mm thickness allows rapid application build-up and effective padding over irregular connection points
- Self-Adhesive Design: Self-sticking properties eliminate need for additional adhesives while maintaining strong 15.0 lb/in adhesion to steel
- RoHS Compliant: Meets RoHS 2011/65/EU environmental compliance standards for professional installations
- Vibration Dampening: Specialized mastic formulation provides effective vibration padding for motor leads and sensitive equipment
Technical Specifications
- Adhesion To Steel: 15.0lb/in (26,2N/10mm)
- Application: Insulation
- Backing Material: Ethylene Propylene Rubber
- Breaking Strength Imperial : 150 lb.
- Color Family Incorporate Product Color : Black
- Dielectric Strength V Mil : 500 V/mil
- Elongation: 10%
- Elongation At Break: 10
- Liner Linerless: Liner
- Manufacturer Catalog Number: 7000005986
- Maximum Operating Temperature Celsius : 90 Degree Celsius
- Maximum Operating Temperature Fahrenheit : 194 Degree Fahrenheit
- Minimum Operating Temperature Celsius : 0 Degree Celsius
- Overall Length Imperial : 10 ft
- Overall Length Metric : 3 m
- Overall Width Imperial : 2 in
- Overall Width Metric : 50.8 mm
- Package Height: 4.05000 in
- Package Length: 2.75000 in
- Package Weight: 0.8850 LBS
- Product Material: EPR with Liner
- Self Sticking: Yes
- Tape Color: Black
- Tape Width Imperial : 2 in
- Tape Width Metric : 50.8 mm
- Total Tape Thickness Without Liner Metric : 1.65 mm
- Total Thickness: 1.65 mm
- Uv Resistant: Yes
- Vulcanizing: No
Professional Applications
- Primary electrical insulation for cable and wire connections up to 1000 volts
- Vibration padding for motor leads in industrial equipment
- Outdoor electrical connections requiring UV protection
- High-temperature electrical applications up to 194�F
- Commercial and industrial wire splicing and terminations
- Equipment installations requiring environmental compliance
Why Choose 3M Quality?
3M Scotch Rubber Mastic Tape 2228 delivers proven reliability with RoHS 2011/65/EU compliance and professional-grade ethylene propylene rubber construction. The UV-resistant backing and high-temperature performance ensure long-lasting protection in demanding electrical applications, backed by 3M's commitment to quality and innovation.
Manufacturer Resources
3M Rubber, Mastic & Specialty Tapes Application Guide
Product Specs
- Department:
- Electrical
- Product Type:
- Mastic Tape
- Product Subgroup:
- Electrical Tape
- Product Group:
- Cable Management & Identification
3M 2228-2X3FT – Frequently Asked Questions
1) Can 3M Scotch 2228 mastic tape be used as primary insulation on a 600V or 1000V splice?
Yes. Scotch 2228 rubber mastic tape is rated as primary electrical insulation for cable and wire connections up to 1000 volts, with a dielectric strength of 500 V/mil. That covers typical 600V commercial feeder and motor-lead splices with margin. Common practice is to build the mastic up over the connection, then overwrap with a vinyl electrical tape for mechanical and abrasion protection.
2) Is 2228 mastic tape OK for outdoor and direct-sun electrical connections?
It is. The backing is ethylene propylene rubber with UV resistance, so it holds up on exposed and outdoor connections rather than chalking and splitting the way an unprotected rubber tape would. It is also self-sticking, so no separate adhesive or primer is needed on the splice.
3) What temperature range can 3M 2228 handle on a motor lead?
Operating range runs from 0 degrees C up to 90 degrees C (194 degrees F). That suits motor leads and industrial terminations that run warm, but it is not a tape to apply below freezing, and the 0 degree C lower limit is worth noting for cold-weather outdoor work.
4) How thick is 2228 mastic tape, and will it pad over an irregular connector?
Total thickness is 1.65 mm without the liner, which is far heavier than standard vinyl electrical tape. That bulk is the point: a couple of wraps build up fast and the mastic flows into the voids around lugs, split bolts and crimp connectors, filling irregular shapes and cushioning against vibration on motor leads.
5) What roll sizes does 3M Scotch 2228 come in at 2 inch width?
The 2 inch wide version comes as a 2 in x 10 ft roll and a 2 in x 3 ft roll. The 10 ft roll is the one to stock for repeat splicing work; the 3 ft roll suits a single termination or a truck kit where you do not want leftover mastic drying out on the shelf. Tape width is 2 in (50.8 mm) on both.
6) Should I use mastic tape or regular vinyl electrical tape for a buried or wet splice?
For moisture sealing, vinyl tape alone is not enough. A rubber mastic like 2228 is the moisture and void-filling layer: it conforms around the connector, seals, and resists UV, and it carries primary insulation rating to 1000 volts. Vinyl tape belongs over the top as the mechanical jacket. The usual field build-up is mastic first, vinyl overwrap second.
7) Does 2228 come with a liner, and does that change how I apply it?
It is a linered tape, not linerless. You peel the liner off as you wrap so the mastic does not stick to itself on the roll. Stretch is minimal here, elongation is only about 10 percent, so apply it by conforming and pressing it down rather than pulling it tight like a stretch splicing tape.
8) Does 3M Scotch 2228 meet RoHS for a government or institutional spec?
Yes, 2228 is stated as compliant with RoHS 2011/65/EU, which covers most institutional and public-sector material submittals that call for a RoHS declaration on installed electrical consumables.
9) How tough is 2228 mastic tape if it gets pulled during pulling or handling?
Breaking strength is listed at 150 lb, with elongation at break of 10 percent. It will take handling stress on a splice, but it is a low-stretch mastic, not an elastic tape, so do not rely on it to take abrasion in a pull. Jacket it with vinyl where the splice can rub.
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Does the 3M 2228-2X3FT come with a warranty?
Absolutely. The 3M 2228-2X3FT is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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