Benefits to cross-linked shrink film include: This cross-linking effect provides a variety of benefits for the film. Crosslinking for polyolefin shrink film uses the irradiation process.Įxposure to b rays causes cross-linking bonds at the molecular level. Irradiation exposes the polymer or plastic to high-energy b rays. The cross-linking of polymers can be done chemically or with irradiation. What is Crosslinked Polyolefin Shrink Film? There are dozens of options for L-Bar sealers, and it can be tedious to find the best one for your operation. The sealer will seal and cut in one motion. The L-Bar sealer has two sealing sides to clamp down on the centerfold wrap around the product. An L-Bar sealer is the best option for sealing centerfold polyolefin or PVC shrink wrap. Once the product is placed into the fold crease, the film will cover the product on both sides. The illustration to the right will help show how products are into the centerfold shrink roll. The film is folded lengthways onto the roll to allow users to insert the product being packaged into the fold crease quickly. As stated above, the polyolefin does not contain the chloride found in PVC shrink film.Ĭenterfold shrink film is excellent because of how the film is folded onto the roll. Initially, there was a shift in the packaging industry to polyolefin shrink film for consumable packaging products. Companies have used polyolefin to package everything from consumable products to bundling insect sprays. *Centerfold polyolefin shrink wrap- is an excellent option for packaging various products. Proper ventilation is a must when dealing with PVC shrink wrap. PVC shrink film contains Chloride that emits a strong odor when heated and cooled. This single feature is an essential advantage over PVC shrink wrap. It remains odorless when heated and cooled. Polyolefin is considered a thermoplastic material that contracts when heated. Polyolefin is a generic term that refers to a variety of polymers. *Polyolefin- is a polymer that has become a chosen polymer in the packaging industry because of its shrinking properties, clarity, and absence of chloride. Our polyolefin shrink film is FDA approved for direct food contact. In recent years, polyolefin has become the preferred shrink material for most shrink packaging applications. Polyolefin shrink wrap offers many advantages over PVC shrink wrap. Polyolefin shrink film is the most common form of polyolefin used in the packaging industry. Polyolefins are used in various industries, including automotive, cosmetics, adhesives, packaging, and more. Ethylene is one of the most common olefins. An alkene is an unsaturated chemical compound containing at least one carbon double bond. fin) is a plastic polymer the root word olefin refers to any member of the alkene series.
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