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MWTM MEDIUM WALL NON-ADHESIVE LINED SPOOLS
Description
Insulating and sealing systems for power cables have to perform to a range of exacting requirements; to be unaffected by years of weathering and ultra-violet light, to stand up to continuous temperature changes, to keep out moisture and corrosive liquids for a generation, to be immune to oils and solvents, and to combine lasting insulating properties with low weight, toughness, Impact strength and flexibility.
The need for modern standards of efficiency and simplicity of installation is a further significant consideration. To meet these demands, we developed Raychem MWTM, a heat-shrinkable halogen-free medium-wall tubing now in widespread use in terminations, joints and cable repairs throughout the world. Heating with a commonly available gas torch activates the tubing’s ”elastic memory” causing it to recover in diameter. The tubing’s high shrink ratio enables it to shrink and tightly fit a wide range of cable sizes and accessories.
Appropriate to the particular application, our MWTM tubing is available with an inner sealant wall, which melts and flows under the heat and shrinking action of installation. This makes it suitable for either cable oversheath replacement and sealing, or uncoated as an insulating material. The shelf-life restrictions usually associated with tapes and resins do not apply, and the
completed installation may be taken into service at once. Raychem MWTM tubing is fast and easily installed, and has proven its long term reliability in harsh climatic conditions and polluted environments.
It is one result of our capability in materials science and electrical power engineering, gained through extensive experience as one of the world’s largest cable accessories makers and a sustained research effort. We make a wide range of specially developed products and support them with technical service and world-wide experience to meet the demands of the growing world of energy.
