Posted on October 23, 2025 by Jeff -
Sumitube™ is a heat-shrinkable tube that takes advantage of the shape-memory effect of plastics enhanced by electron beam irradiation.
- Flexible General Purpose Polyolefins
- Flexible Thin Wall Polyolefins
- Semi-Rigid Polyolefins
- Dual Wall Polyolefins
- Special Purpose
- Elastomeric
For more information, see Sumitube Heat Shrink Tubing Product Solutions Guide.
Posted on September 17, 2025 by Jeff -
At Sumitomo Electric Interconnect Products (SEIP), we’ve been producing superior quality heat shrink tubing products since 1996. Our products, designed to perform in the harshest environments and the most extreme conditions, are qualified, certified, and approved to national and international standards. Thanks to our global reach, many high-profile customers rely on us to support their supply chain needs.
Our Sumitube heat-shrinkable tubing utilizes the shape-memory effect of plastics, enhanced by electron beam irradiation.
Our high-performance cable identification ranges, SumiMark and Sumitag, developed for the cable assembly identification industry, include marking systems, heat shrink sleeves, and non-shrink panel labels and cable labels.
Posted on March 31, 2021 by Jeff -
Our FIT heat shrink tubing offers a reliable way to protect and seal terminations or add additional mechanical ruggedness. FIT-preferred heat shrink products are made from premium compounds under the tightest manufacturing controls. This means FIT will consistently have excellent physical characteristics such as low longitudinal shrinkage and wide temperature ranges while providing an elegant appearance when used alone or on OEM equipment.
Posted on March 10, 2020 by Jeff -
Qualtek Electronics offers a complete line of heat-shrinkable products which include:
- Thin, medium, and heavy wall heat shrink tubing
- Adhesive Lined
- Medium and High Voltage Insulation
- Molded parts and end caps
- Shrink Tubing kits, cables, and wiring identification tubing
- Specializing in custom-cut lengths for all products
Posted on January 20, 2017 by Jeff -
Qualtek Electronics Corp. was established in 1980 and has become a world leader in fan and fan accessories, power supplies, primary power components, EMI power line filters, cable assemblies, domestic and international power cords, and heat shrink products. Qualtek provides high-quality, low-cost products and superior customer service.
Posted on October 6, 2016 by Ryan McCoy -
For over 100 years, Alpha Wire has developed wire, cable, and tubing solutions designed to offer superior performance and reliability across demanding markets, including industrial automation, semiconductor fabrication, medical devices, and many more. From its manufacturing facilities throughout the U.S. and offices and distribution centers in the U.S., UK, China, and Hong Kong, Alpha Wire provides an extensive selection of cable, wire, heat-shrink tubing, accessories, and wire management services to customers worldwide in various industries.
Click here for an Alpha Wire overview.
Click here for an Alpha Count On Us flyer.
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