RS PRO Heat Shrink Tubing Blue 38.1 mm Sleeve Diameter 1.2m Length 2:1 Shrink Ratio 397-966

RS PRO 397-966 Heat Shrink Tubing is a flame retardant, flexible polyolefin tube designed for industrial and commercial electrical insulation applications. With a sleeve diameter of 38.1 mm and a length of 1.2 meters, this tubing features a 2:1 shrink ratio, shrinking to 19.1 mm shrunk diameter when heat is applied at a minimum temperature of 90°C.

Manufactured in Japan, it complies with UL, MIL, and ASTM standards ensuring safety and reliability in a wide range of environments. Its operating temperature range spans from -55°C to +135°C, with the ability to withstand short duration temperatures up to 200°C, making it suitable for demanding industrial, laboratory, and HVAC uses.

The tubing’s polyolefin material offers excellent electrical insulation properties and resistance against fluids and solvents often encountered in automotive, aerospace, manufacturing, and electronics industries. It is ideally applied to protect cable joints, disconnect terminals, wire splices, and to provide mechanical strain relief to prevent damage from flexing or bending cables.

This heat shrink tubing also performs environmental protection against moisture, dust, and chemical ingress, extending the service life of wiring harnesses and assemblies. Its distinctive blue color aids in color-coded wiring identification tasks.

Flame retardant polyolefin construction for durability and safety. 2:1 shrink ratio for precise fitting over cable joints and components. Wide operating temperature range ensuring versatility. Compliant with multiple industrial standards for quality assurance.

Excellent electrical insulation and chemical resistance. Suitable for industrial machinery, automotive, aerospace, and electronics protection. Provides mechanical strain relief and protection against environmental factors.

Blue color allows effective cable identification and organization.

This heat shrink tubing is essential for professionals requiring reliable, flexible insulation in electrical installations, repairs, and manufacturing processes. Explore more products in our Heat Shrink Tubing selection on EnvMart for diverse sizes and applications.