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Technology ArticleDuct Tape Adhesives Duct tape (sometimes called duck tape; see under Etymology) is a vinyl, fabric-reinforced, multi-purpose pressure sensitive tape with a soft and tacky pressure sensitive adhesive. It is generally silver or black in color but many other colors and transparent tapes have recently become available. With a standard width of 17⁄8 inches (48 mm), duct tape was originally developed during World War II in 1942 as a water resistant sealing tape for ammunition cases. Permacel, then a division of Johnson & Johnson, used a rubber-based adhesive to help the tape resist water and a fabric backing to add strength. It was also used to repair military equipment quickly, including jeeps, firearms, and aircraft because of these properties. In Canadian military circles, this variant is known as "gun-tape", typically olive-green, and also known for its resistance to oils and greases. Duct tape is also called "100-MPH tape" in the military , because soldiers often refer to something that exceeds expectations as "High Speed." After WWII, the housing industry boomed and people started using duct tape for many other purposes. The name "duct tape" came from its use on heating and air conditioning ducts, a purpose for which it, ironically, has been deemed ineffective. Its strength, low cost, and remarkable versatility make it a household staple throughout North America and Europe for temporary repairs and general-purpose use. Duct tape's versatility and holding power are evidenced by its nickname in engineering circles: "the ultimate material." It is commonly used in situations that require a strong, flexible adhesive, particularly when exposure to the elements is a concern. duct tape is sometimes used by musicians and on film sets and in theaters, although a more specialized product, commonly known as gaffer tape in entertainment circles, is preferred as it does not leave a sticky residue when removed and is more easily torn into thin strips for precise application. Wikipedia Disclaimer Above information is from wikipedia and is freely distributed under the GNU license Also See: All Articles |