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[Chemical Knowledge]：What are the upstream raw materials for insoluble sulfur? What are the downstream products?

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In the field of raw materials for chemical production, the upstream and downstream related products of insoluble sulfur mainly include the following categories:

Upstream products:

1. Natural gas: Natural gas is one of the main raw materials of insoluble sulfur, and sulfur can be extracted from hydrogen sulfide gas in natural gas.
2. Pyrite: Pyrite is another common sulfur raw material, which can be obtained by roasting pyrite.

Downstream Products:

1. Rubber Products: Insoluble sulfur can be used as an antioxidant for rubber products to improve the heat resistance, oxidation resistance, oil resistance and other aspects of rubber products and extend their service life. Therefore, the downstream associated products of insoluble sulfur include various rubber products, such as tires, tapes, hoses, etc.
2. Plastic products: Insoluble sulfur can also be used in plastic products to improve the heat resistance, weather resistance, oxidation resistance and other properties of plastic products. Therefore, the downstream related products of insoluble sulfur also include various plastic products, such as plastic pipes, plastic films, etc.
3. Fertilizer: Insoluble sulfur can be used to produce fertilizers, such as ammonium sulfate, diammonium phosphate, etc., to improve the yield and quality of crops. Therefore, the downstream associated products of insoluble sulfur also include various fertilizers.

In short, insoluble sulfur, as an important chemical raw material, is widely used in rubber products, plastic products, fertilizers and other fields, and its upstream and downstream related products are also very rich.

The above is for reference only. For more information, we recommend that you consult relevant books or consulting professionals in the field of chemical production raw materials.

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