What is the total injection

Co-injection namely two or different plastic & other; Laminated & throughout; At the same time. The plastic may only be color don't have to, if use different kinds of plastic, they want to have the proper adhesion, that is, they must be compatible, at almost the same temperature melting, etc. Requires two or more injection room, for each material has its injection room. Raw material can be injected into the mold of special: rotary, spindle table, etc.

“ Co-injection & throughout; The predicate can represent different products, such as the sandwich structure, double color injection molding, multi-color injection molding, plastic foam molding, double color molding and molding. No matter what it is called, it must be a & other; Sandwich & throughout; Structure, two or more plastic laminated together, finally get the comprehensive performance of a variety of plastic.

this injection form used since the early 1940 s to the present, it has many advantages:

1. A combination of various material performance;

2。 Allows the use of low cost plastic material such as back;

3。 Can provide a kind of expensive plastic decorative & other; Thin & throughout; Surface layer;

4。 Can be enhanced;

5。 Allows the use of impermeable plastic, can now be molding processing multicomponent products, such as car tail lights, container and cover business machines, etc.