Heat Shrink Tubing
Heat Shrink tubing has been in use for several decades now. The tubing is also known as Shrink, Shrinkable tubing, Heat shrink tubing and Shrinkable Sleeves. Heatshrink is widely used across many service areas including packaging, automotive, medical, telecom, electrical, toys, aerospace, Heating/Air conditioning, plumbing and consumer goods. Shrink tubing finds uses in tagging/identification, wire & tubing strain relief, friction protection, environmental protection, package labeling and safety. Heat shrink tubing is simply a thermoplastic polymer that was mechanically expanded when made, that when heated, will reduce in diameter to its original size, while maintaining its length. Most common of these heat shrinkable polymers is polyolefin but Shrink tubing is available in other Shrinkable polymers such as PVDF, Kynar®, Teflon and more. Heatshrink is available with internal sealants such as silicones, or as more commonly used in the electrical industry, hot melt glue that melts as the shrink tubing shrinks to totally encapsulate the joint. Heat shrink tubing as available in shrink ranges of 20% up to as much as 6 to 1. The shrink tubing we have is polyolefin common to the electronic industry and is designed to shrink in diameter by at least 2/1 (50%) so a 1/4in. diameter piece of heatshrink tubing will upon heating close down to under 1/8in. while the change in length is under 6%. Shrinking is accomplished by heating by many means such as, Hot Air Gun (like a hair dryer), direct heat from a flame (careful here as the shrink tubing will melt or burn), the warm edge of a soldering iron (not the tip) or special heaters. Heatshrink Tubing is available in Diameters from under a mm to several inches. Most electrical uses utilize sizes from 1/8 (.125)in. to 1-1/2in. Our stock covers the commonly used colors & diameters from 3/64 (1.2mm/.046in) to 1in. (25.4mm) and lengths of 4ft. to 100ft. rolls.
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