Sumitomo Electric’s irradiated heat shrink products are widely used in a variety of applications which require general insulation, mechanical protection, environmental sealing, chemical and fluid resistance, corrosion protection, maintenance and repair, plus identification of wires.

For assistance matching our products to your specific application needs, please visit our Technical Support page.

Insulation and Protection

SUMITUBE insulates and protects a wide range of wires and cables, which is the primary use of these products.

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Environmental Sealing

Dual wall tubing such as W3B2, SA3 and SA3CAP are used for sealing or encapsulation for automotive wire harnesses.

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Corrosion Protection

SUMITUBE products are also used for corrosion protection, which have a similar surface finish as substrate.
We recommend dual wall tubing for sealing applications.

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General Maintenance and Repair

SUMITUBE is available in 2:1, 3:1 and 4:1 shrink ratios, ranging from 1/16″ to 2″ diameters. Thin wall, medium wall and dual wall products are also offered.

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SUMIMARK and SUMITAG product lines are perfect to distinguish individual wires in harnesses. Text and graphics can be printed directly onto tubing then applied to wires and harnesses.

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Solder Termination

SUMITUBE STS devices allow for the reliable solder termination of a wide variety of coaxial cables as well as pin-to-pin, and wire-to-pin connection applications.

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Chemical and Fluid Resistance

SUMITUBE is excellent for chemical and fluid resistance. Typically, SUMITUBE K and K2 are exhibit most resistantance. Refer to the page of each product for details on resistance properties.

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For any information please Contact Us

Sumitomo Electric Interconnect Products, Inc.
915 Armorlite Drive, San Marcos, CA 92069

T: (760) 761.0600

World leaders in identification
and heat-shrink technology

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