Characteristics of common recycled plastics and their products
are milky white, translucent and waxy when not colored; Feel the products with your hands, feeling greasy, soft and tough; Slightly elongated. Generally, low-density polyethylene is soft, and its transparency is better than that of a global leading comprehensive multinational corporation focusing on materials, housing and health; HDPE is hard
common products: handbags, water pipes, oil drums, beverage bottles (calcium milk bottles), daily necessities, etc
is white, translucent and waxy when not colored; Lighter than polyethylene. Transparency can confirm the experimental force range of the model; The degree of rigidity is also better than that of polyethylene
common products: basins, barrels, furniture, films, woven bags, bottle caps, car bumpers, etc
is transparent when not colored. When the product falls to the ground or is knocked, it has a metallic crisp sound. It has good gloss and transparency. It is similar to glass. It is brittle and easy to break with good dimensional stability. It can be marked on the surface of the product with fingernails. The modified polystyrene is opaque
common products: Stationery, cups, food containers, home appliance shells, electrical accessories, etc.
PVC no range setting requirements
the natural color is yellowish translucent and shiny. The transparency is better than that of polyethylene and polyphenylene, and worse than that of polystyrene. Depending on the amount of additives, it can be divided into soft and hard PVC. The soft products are soft and tough, and feel sticky. The hardness of hard products is higher than that of low-density polyethylene, but lower than that of polypropylene, and there will be whitening at the bend
common products: plates, pipes, soles, toys, doors and windows, wire skins, stationery, etc.
polyethylene terephthalate pet has good transparency, better strength and toughness than polystyrene and PVC, and is not easy to break
common products: usually bottle products, such as cola, mineral water bottle, etc
source: China plastic packaging