Thin Wall Food Container Injection Plastic Mold

  Thin-wall injection molding technology is also known as thin-wall plastic injection molding technology. There are three types of definitions:

1. The ratio of the flow length to the thickness L / T, that is, the ratio between the flow length L and the corresponding average wall thickness T of the farthest point from the melt entering the mold to the cavity where the melt must be filled is 100 or 150. Injection molding is thin-wall injection ;

2. Injection molding method where the thickness of the molded plastic part is less than 1 mm, and the projected area of the plastic part is above 50 c㎡;

3. plastic part is less than 1 mm (or 1.5 mm), or t / d (thickness t of the plastic part, diameter d of the plastic part, for disc-shaped plastic parts) is less than 0.05

It can be seen that the critical value defined by thin-wall injection molding will also change, and it should be a relative concept.

Development prospects of thin-wall injection:

As consumers pay more and more attention to food safety, polypropylene products are more and more widely used in food packaging and other fields. It is understood that the disposable lunch box is convenient, fast and cheap, and the national consumption has reached more than 15 billion per year, and the market prospect is broad. Among them, the polypropylene disposable lunch box has the advantages of health, environmental protection, beautiful and practical, and high cost performance. Is gradually replacing other materials of lunch boxes. High flow polypropylene injection molding has become one of the development trends of high-end polypropylene due to its short processing cycle and good profit. The demand for thin-wall polypropylene special materials at home and abroad will also increase, and the market prospects and economic benefits are good.

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