Convenient bag production is the most important plastic raw material, which is often referred to as plastic particles. This is also the biggest cost of convenient bag manufacturers in the production process. Many people don't understand why the prices of products of the same specification are so different. There are two sources of plastic raw material: pure raw material and renewable raw material. The price of pure raw material is higher than that of renewable raw material, so pure raw material The quality of plastic raw materials is one of the basic capabilities of each manufacturer. Is the two raw materials different
1. raw materials
The pure raw materials extracted from oil have not been reprocessed. It is characterized by milky white particles, crystal clear, no impurities. It has excellent physical properties and is easy to process. The products produced from pure raw materials are generally colorless, odorless, glossy, elastic and soft. The most important thing is health and safety. Pure raw materials are generally used in food packaging bags, even roll bags and other food related packaging bags
2. Recycled materials
The raw materials of renewable energy with a wide range of coverage are also very miscellaneous. The main sources of production convenience bags are various kinds of waste and domestic waste plastic bags, etc. the sorted waste is recycled and then cut to melt into plastic particles at high temperature. Due to the recycled waste, complexity and diversity, different colors, the particles are produced with different colors and no luster compared with the pure raw material particles Big difference, and the product can not guarantee health and safety, the product has color, no luster, rough feel, commonly used in daily life and industry, can not be used for food packaging.
The price of convenience bag is not only determined by plastic materials, but also by several other factors. For details, please click