How to distinguish between HDPE and LDPE waste plastics?

HDPE is generally opaque. After biting with teeth, there will be white scars at the cracks. The material is relatively brittle and hard. It is used for packaging products, but LDPE is soft, good toughness, good transparency, feel Relatively slippery, the sound of tearing by hand is smaller.

According to the application, LDPE is generally used for film products. HDPE can be used for drawing grade, injection molding grade, hollow grade and blown film grade products. Its relative plastic products are: fishing nets, barrels, Wahaha bottles and packaging bags. The LDPE is generally used in industrial films, plastic films, agricultural films and so on.

Source: Waterborne Coatings Network