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Jul 14, 2010 · co-extrusion cast line for stretch filmduration: 4:44. amut group 40,913 views
Bopp films (biaxially oriented polypropylene films) are produced by stretching polypropylene film in both machine direction and transverse direction. bopp film is used in vast range of applications comprising packaging, labeling and lamination.
Features: mdo* is a proven technology which saves resources, improves film properties, and optimizes films for specific uses. with mdo from w&h, both cast and blown film can be stretched monoaxially. the process improves barrier properties and gives mono and coextruded films enhanced tensile strength and stiffness, better shrink properties,...
All the basic mold, runner, and gating designs have been successfully used with polypropylene from ineos o&p. to take advantage of a well designed part, the following mold details should be considered. sprue. to prevent sprue sticking, highly tapered sides (3 to 5 degrees including angle) are required.

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