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[Chemical Knowledge]：What are the upstream raw materials for plastic products? What do the downstream products contain?

Read： 1018 Time：19months ago Source：Transform the World with Simplicity

In the field of chemical production raw materials, the upstream and downstream related products of plastic products are very extensive. The following are some of the main upstream and downstream related products:

upstream products:

1. oil and gas: the raw materials of many plastic products come from oil and gas. For example, common plastics such as polyethylene and polypropylene are obtained by cracking petrochemical raw materials.
2. Coal: Coal can also be used as a raw material for some plastic products and converted into plastic raw materials through certain chemical processes.
3. Salt: Some special plastic products, such as polyvinyl chloride, need to use salt as raw material.

downstream products:

1. Packaging materials: Plastic products have a wide range of applications in the packaging industry, including food packaging, pharmaceutical packaging, cosmetic packaging, etc. For example, polyethylene and polypropylene are often used to make plastic bags and packaging containers.
2. Building materials: Plastic products can also be used in the construction industry, such as pipes, doors and windows, wall materials, etc. Polyvinyl chloride is a commonly used building plastic material.
3. Home appliances and electronic products: Many home appliances and electronic products also use plastic products, such as televisions, washing machines, mobile phones, etc. The plastic parts in these products, such as housings, buttons, etc., are made of various plastic products.
4. Auto parts: Many parts in automobiles are also made of plastic products, such as interior parts, exterior parts, and functional parts.
5. Agricultural supplies: Plastic products are also widely used in agriculture, such as agricultural mulch film, irrigation pipes, greenhouse materials, etc.

In general, the upstream and downstream related products of plastic products are very extensive, involving all aspects of our daily lives.

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