Uses Of Adhesive Tape

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Blow Molding Categories
Blow is divided into injection blow molding, extrusion blow molding and stretch blow molding, injection blow molding is injection molding the first plastic bottomed parison, then moved into a blow molding parison blow forming. Extrusion blow molding process, tube extruded directly from the extruder, and hanging in separate pre-installed in a cavity just below the nose; and when the sagging reaches a predetermined length of the parison mold immediately, and by die cut tube incision; from orifice mold parting surface pass into the air, the parison against the mold wall and blow molding; packing, to be products in the cavity cooling and molding mold removal products.
For blow molding hollow thermoplastic varieties of many, the most commonly used material is polyethylene, polypropylene, polyvinyl chloride and thermoplastic polyester, etc., used to shape a variety of liquid containers, such as all kinds of bottles, barrels, cans Wait. Distinguish extrusion blow molding and injection blow molding (including injection stretch blow molding) method is to observe the bottom of the article, at the bottom there is a kind of navel injection point is the injection blow molding or injection stretch blow products, at the bottom there is a parting line is crowded a blow molding products.
Wrapping film and shrink wrap 2. 1. Stretch shrink film
Composite packaging film advantages:
1. good overall performance, with all the indifferent performance constitutes the composite film and has some special properties. 2. decorating effective and reliable health, decorating can be a pattern printed on the intermediate layer, the printing ink will not be contaminated packaging, but also to protect the decoration pattern is not worn during transport and use. 3. The strength of the composite film were higher than the base film with the strength, so the mechanical adaptable.