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[Chemical Knowledge]：What are the upstream raw materials for bleached softwood pulp and what are the downstream products?

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Bleached softwood pulp has an important position in the field of chemical production raw materials, and its upstream and downstream related products are rich and diverse. This article will detail the upstream and downstream associated products of bleached softwood pulp.

1. Upstream Associated Products

1. Wood

The main raw material of bleached coniferous wood pulp is coniferous wood, such as pine, spruce, etc. The growth environment, tree species and age of these trees will affect the quality and yield of pulp. Therefore, the selection of high-quality wood is the key to the production of bleached softwood pulp.

2. Chemical raw material

In the process of producing bleached softwood pulp, some chemical raw materials, such as bleaching agent, acid and alkali, need to be added. The type and amount of these chemical raw materials will vary according to the requirements of the production process and product quality.

2. Downstream Related Products

1. Paper

Bleached coniferous wood pulp is an important raw material for the production of various paper, such as printing paper, writing paper, packaging paper, etc. Because the bleached softwood pulp has higher fiber quality and whiteness, it can improve the quality and appearance effect of the paper.

2. cardboard

cardboard is made of multi-layer paper processing, bleached softwood pulp is also one of the important raw materials for the production of cardboard. Cardboard has high strength and hardness, so it is widely used in packaging, building materials and other fields.

3. household paper

bleached softwood pulp is also an important raw material for the production of household paper, such as toilet paper, facial tissue and so on. Since household paper needs to have high softness and water absorption, the quality of bleached softwood pulp has an important impact on the performance of household paper.

4. Non-woven

non-woven fabric is a non-woven material, which is widely used in health, medical, construction and other fields. Bleached coniferous wood pulp can be used as one of the raw materials for the production of non-woven fabrics to improve the strength and water absorption of non-woven fabrics.

In short, bleached coniferous wood pulp has a wide range of applications in the field of chemical production raw materials, and its upstream and downstream related products are rich and diverse. With the continuous progress of science and technology and the change of market demand, the upstream and downstream related products of bleached coniferous wood pulp will continue to develop and innovate.

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