Cold shrink tube Product introduction: The cold-shrink tubing is a tube that is vulcanized in a factory by using an elastomer material (EPDM or EPDM), and then expanded by diameter and lined with a plastic spiral support. Performance application: It has good waterproof performance, simple installation and operation, only need to pull out the plastic spiral support bar during installation, it will rely on its own elastic retraction to form a reliable radial pressure to hold the two ends of the joint, thus achieving reliable Waterproof, leakproof, moisture proof seal, easy to maintain.