RS PRO Heat Shrink Tubing Yellow 50.8 mm Sleeve Diameter x 1.2 m Length 2:1 Shrink Ratio 399-669

RS PRO 399-669 Heat Shrink Tubing is a high-quality polyolefin sleeve with a 50.8 mm original diameter and a length of 1.2 meters, featuring a 2:1 shrink ratio. It is manufactured from flexible, flame retardant polyolefin material and designed to shrink to 25.4 mm diameter when heated. This tubing provides excellent electrical insulation and mechanical protection for cables, wires, and connections in diverse industrial environments.

The tubing operates efficiently over a wide temperature range, from -55°C to 135°C continuously, and withstands brief exposure to 200°C. It resists common fluids and solvents, making it suitable for harsh environments. It is halogen-free compliant and meets numerous industry standards including ASTM, UL, MIL, and SAE-AMS-DTL-23053/5 Class 1 requirements.

Typical applications include sealing and protecting cable splices, wire harnesses, connectors, and resistors in manufacturing, aerospace, automotive, and electrical installations. The tubing also serves as mechanical strain relief, abrasion protection, and environmental barrier against moisture, dust, and chemicals. Its yellow color coding aids in cable identification and wiring management tasks.

This product originates from Japan, ensuring premium manufacturing standards and materials quality. RS PRO Heat Shrink Tubing provides fast shrinking performance, durability, and reliable insulation for demanding technical and industrial uses.

This tubing shrinks uniformly to half its diameter upon heating, ensuring a tight seal. Flexible polyolefin construction affords durability and elasticity. Flame retardant properties enhance safety in electrical applications.

Broad operating temperature range supports various industrial environments. Resistant to oils, chemicals, and solvents for long-lasting protection. Certified by multiple international standards for quality assurance. Explore more high-quality wiring and cabling accessories in the Electronics & Electricals category at EnvMart for professional and industrial-grade solutions.