Author: mgg-Plastic bottle manufacturer
The packaging materials used in various commodities are usually used for one-time use. When the goods flow from the production unit to the consumer or after the product is used, the packaging material completes its mission, as a waste material recovery or disposal. Therefore, for packaging materials, one is to require good performance, to adapt to protection, propaganda goods, the second is to require the cost to be as low as possible, in today's plastic, so-called universal plastic, such as polyethylene and polypropylene, They have a common characteristics of excellent performance, large production, and low prices. It is the preferred material for plastic packaging materials; secondary production, better performance, but high-profile engineering plastics such as thermoplastic polyester. As for the expensive special engineering plastics, although there is a unique advantage in certain properties, it is generally not used for a packaging material due to economic reasons.