Cold Shrink Tube 1.good re-elasticity&good airproof performance 2 ... Accommodates a wide range of cable sizesNo torches or heat requiredGood thermal stabilitySeals tight, retains its resiliency and ... application: anti-dirtiness, aging-resistant, waterproof, excellent cold and heat-resistant character, suitable for high altitude, cold, dankish, salt ... , chemical plant and mine insulation cold shrink tube