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Cosmetic plastic containers is to use what material

by:XJ BEAUTY     2020-04-23
Cosmetic plastic containers is the use of polyester, PET) , polyethylene ( PE) And polypropylene ( PP) As raw material, after adding the corresponding organic solvent, after high temperature heating, through plastic mold after blow molding, extrusion blow or injection molding of plastic containers. Cosmetic plastic containers have not easily broken, low cost, high transparency, food grade raw material, etc. After injection is to make the mold, the plastic burning after fusion with pressure injected into the mold. Bottle blowing is used as a good plastic moulds after heating softening in the embryo, the embryo within the join high pressure air, thinning of the tensile softening of the embryo, formation and mould the same products. At present, cosmetics containers usually includes shell and cover suitable for shell on the cover body, often use its shell bottle blowing or injection molding process. Through the bottle blowing process of cosmetic containers exist many problems, such as defective items. The shell can be single or double. When described shell for double layer, which include bottle blowing respectively into the outer shell and inner shell and outer shell suit them after the bottle blowing process in the inner body and install both as a body, but under normal circumstances, after installation of tightness between outer shell and inner shell is not enough, will affect the beautiful sex of the shell shape, reduce the simple sense of cosmetics. At the same time, the traditional use of injection molding shell cannot be processed into internal hollow shaped double-layer structure, because of its shell is closed to demould. 522. HTML keywords: cosmetic containers, cosmetics bottles, cosmetic plastic containers
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