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2024-1-01A brief history of the development of high-density polyethylene
This century has seen a revolutionary progress in the field of pipes, namely "replacing steel with plastic." With the rapid progress of polymer material science and technology, the deepening -
2023-12-31What is high density polyethylene
High-density polyethylene (HDPE) is a white powder or granular product. Non-toxic, odorless, with a crystallinity of 80% to 90%, a softening point of 125 to 135°C, and a service temperature of up -
2023-12-30Precautions for secondary injection molding
Generally speaking, to enhance adhesion, the melting temperature of the covering material resin should be the same as the base material. If the melting temperature of the covering material is too low, -
2023-12-29What is secondary injection molding?
Secondary injection molding: It is a special plastic molding process, also called lamination or encapsulation. It is similar to the two-color molding process, but it is quite different from the two-co -
2023-12-28Challenges facing the industry
(1) Changes in raw material prices The main raw material in the plastic products industry is plastic particles. The price of plastic pellets is easily affected by many factors such as macroeconomic gr -
2023-12-27Five major opportunities and three major challenges in the plastic products i...
At present, precision injection molds and precision injection parts have penetrated into many fields such as automobiles, home appliances, and electronics. Especially in the field of automobile parts, -
2023-12-26Development trends of China's mold industry
Under the trend of consumption upgrading and manufacturing upgrading, products from all walks of life have increased requirements for molds. Molds have always won by technology and quality. Our countr -
2023-12-25Development status of China's mold companies
Most domestic mold companies are not very large in scale, with generally no more than 300 employees and an annual output value of less than RMB 100 million. Most mold manufacturers mainly produce medi -
2023-12-24Polypropylene modified
In view of the poor impact resistance of polypropylene at low temperatures, poor weather resistance, poor surface decoration, and the gap between its functionality and actual needs in terms of electri