First seal, then slit.The new Seal-Cut system from D.R. Joseph in Grand Prairie, Texas This article is about the city in Texas. For the city in Alberta, Canada, see Grande Prairie, Alberta. Grand Prairie is a city in Dallas County (USA), with a significant overlap into Tarrant County, and a minor overlap into Ellis County. , reverses the conventional slit-sealing process by sealing two layers of a collapsed bubble together before slitting. Touted as a better way to seal films up to 6-mil thick, Seal-Cut's heated sealing element has an 11-in. sealing path with three zones. In the preheat pre·heat tr.v. pre·heat·ed, pre·heat·ing, pre·heats To heat (an oven, for example) beforehand. pre·heat  er n. zone the element doesn't contact the film; in the seal zone, it makes contact; and in the cutting zone, it cuts through. Seal-Cut slits film for bag making at up to 820 ft/min and seals at much lower temperatures than conventional slit-seal devices, which slit first, then overlap the film and seal the edges. So Seal-Cut reportedly creates less resin crystallization CrystallizationThe formation of a solid from a solution, melt, vapor, or a different solid phase. Crystallization from solution is an important industrial operation because of the large number of materials marketed as crystalline particles. and a stronger, flatter seal. It works with all types of PE monolayer mon·o·lay·er n. 1. A film or layer one molecule thick formed at the interface between water and either oil or air by a substance such as a partially esterified fatty acid that contains both hydrophobic and hydrophilic groups in the same and multi-layer films but doesn't work well with PS, PP, or any biax material. Tel: (972) 641-7711 * PT Direct: 365PM |
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