General
Degree of protection	Pressure and moisture protection
Shrink rate	3:1
Wall thickness	Medium-walled
Adhesive type	thermoplastic
Application	shrink sleeves, shrink end caps

The heat shrink tube SRH275-22/1000sw from Cellpack is a medium-wall heat shrink tube with thermoplastic adhesive, specifically designed for use in cable connection technology. It is used for secure sealing and protection of cables against pressure and moisture. The shrink ratio is 3:1, meaning the tube shrinks to one-third of its original length, creating a tight, dense connection. It is typically used in heat shrink sleeves or as a heat shrink end cap to protect cable connections and joints.

Heat shrink tube is the product type described here. It is made from a thermoplastic material that shrinks when heated, completely enclosing the encapsulated area. The integrated thermoplastic adhesive ensures that after shrinking, the tube forms a tight, waterproof connection that can withstand mechanical stress. These properties make it particularly suitable for use in electrical and installation technology, where reliable insulation and sealing are required.

Applications include protecting cables from moisture, dust, and mechanical stress. It is commonly used in industrial electrical installations, outdoor environments, or in systems with high requirements for environmental resistance. Use in heat shrink sleeves enables a professional, long-lasting sealing of cable connections that remains stable even under harsh conditions.

Functions and features in detail include the medium-wall construction, which provides sufficient wall thickness for cable protection without being excessively thick. The 3:1 shrink ratio allows flexible adaptation to different cable diameters. The thermoplastic adhesive ensures a homogeneous, adhering seal that requires no additional adhesives. Processing is done by heating, during which the tube shrinks evenly and fully encloses the cable section.

Technology explained simply means that when heated (e.g., with a hot air blower), the tube shrinks and fully encloses the cable section inside. The integrated adhesive melts and, upon cooling, forms a tight, waterproof connection. The 3:1 shrink ratio allows adaptation to various cable diameters, ensuring even shrinkage and preventing gaps.

Compatibility and accessories refers to use in heat shrink sleeves and heat shrink end caps. The tube is designed for use in cable connections where a tight, waterproof seal is required. It can be combined with other components specifically intended for use in heat shrink sleeves to create a complete, professional cable connection.

Installation and mounting are performed by sliding the tube onto the cable section to be protected and then heating it with a hot air blower. It is important to ensure that the tube shrinks evenly and no gaps or wrinkles occur. After cooling, the thermoplastic adhesive forms a firm, tight connection that fully protects the cable section.

Operational advantages include easy handling, reliable sealing, and long-term stability of the connection. The tube offers high protection against moisture and mechanical stress, extending the service life of the cable connection. Using heat shrink tubes with thermoplastic adhesive reduces the risk of short circuits and insulation faults, as a tight, waterproof seal is guaranteed.