3M Scotch™ 2228 Rubber Mastic Tape

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3M Scotch™ 2228 Rubber Mastic Tape
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	3M™ Scotch™ 2228 is a conformable self-fusing rubber electrical insulating sealing tape. Scotch 2228 consist 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 2228 can be used on copper or aluminum conductors rated at 90°C, with an emergency overload rating of 130°C. It offers excellent resistance to moisture and ultraviolet exposure and is intended fro both indoor and weather exposed outdoor applications. Information provided by 3M
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Physical Properties	Metric	English	Comments

Water Absorption	0.15 %	0.15 %	ASTM D570
Water Vapor Transmission	1.55 g/m²/day	0.0998 g/100 in²/day	ASTM D3833
Thickness	1650 microns	65.0 mil	ASTM D4325

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	1.03 MPa	149 psi	ASTM D4325
Elongation at Break	1000 %	1000 %	ASTM D4325
Peel Strength	0.110 kN/m	0.625 pli	Adhesion to Polyethylene; ASTM D1000
	0.1643 kN/m	0.9375 pli	Adhesion to Steel; ASTM D1000

Electrical Properties	Metric	English	Comments
Dielectric Constant	3.5	3.5	ASTM D4325
Dielectric Strength	19.7 kV/mm	500 kV/in	Dry; ASTM D4325
	19.7 kV/mm	500 kV/in	Wet; ASTM D4325

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	90.0 °C	194 °F

Descriptive Properties
Appearance	Black

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

PMM35182 / 169929

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