The advantage of plastic bottle cap lies in its strong plasticity, small density light weight, high chemical stability, and the appearance of diverse, novel design and other characteristics, in many similar products by the market and more and more consumers love. With the development of society and the progress of science and technology, plastic bottle caps are also developing rapidly. Nowadays, plastic bottle caps can be divided into injection bottle caps and pressure plastic bottle caps according to the production process. The production process and characteristics of different varieties of bottle caps are also very different.
Injection molding bottle caps have a long history of development. Now many plastic bottle caps on the market are produced by injection molding process. Injection molding process is to melt raw materials into the mold after the cold to go through demoulding, cutting ring and production of plastic bottle caps. Its advantage is that the mold design is flexible, can produce relatively complex shape of plastic bottle cap, has been sought after by the market, but its disadvantage is not high utilization of raw materials, production costs have increased.
Pressing plastic bottle cap is a new plastic bottle cap production process in recent years, not to melt the raw materials can be closed mold, production speed is fast, high production rate, and for the utilization of raw materials is high, production cost is relatively low; Its disadvantage is that it can not produce more complex products, generally simple mass production of plastic bottle caps will choose the pressure molding method for production.