Chemical wood pulp, dissolving grades
HS v2022 Code: 4702
About chemical wood pulp, dissolving grades
HS code 4702 covers the classification of chemical wood pulp, specifically the dissolving grades. This industry plays a crucial role in the global supply chain, providing essential raw materials for a wide range of industries, including textiles, pharmaceuticals, and specialty chemicals. The production of dissolving wood pulp is a highly technical and capital-intensive process, making it a significant contributor to the broader economy.
Production process
The production of chemical wood pulp, dissolving grades, involves a multi-step process. First, wood chips or other cellulosic raw materials are cooked in a chemical solution, typically containing sulfite or sulfate, to break down the lignin and separate the cellulose fibers. The resulting pulp is then washed, bleached, and refined to meet the specific purity and quality requirements for dissolving grades. Advanced technologies, such as continuous cooking and automated process control, are often employed to ensure consistent product quality and efficiency.
Production inputs
The main inputs required for the production of chemical wood pulp, dissolving grades, include wood chips or other cellulosic raw materials, such as 4701 Mechanical wood pulp, as well as various chemicals, such as sulfite or sulfate compounds. Specialized machinery, including digesters, washers, and bleaching equipment, is also essential for the production process. Additionally, a reliable supply of energy, water, and skilled labor are necessary to maintain efficient and sustainable operations.
Production outputs
The primary output of the chemical wood pulp, dissolving grades industry is the pulp itself, which is then consumed by various downstream industries. This pulp is used in the production of 5501 Synthetic filament tow, 5504 Artificial staple fibers, and other specialty chemical products. The industry's output also serves as an input for the 4703 Chemical wood pulp, soda or sulfate, other than dissolving grades and 4704 Chemical wood pulp, sulfite, other than dissolving grades industries.
Family tree for chemical wood pulp, dissolving grades
graph LR
A["<a href='/classifications/hs/v2022/47'>47: Pulp of wood or other fibrous cellulosic material; recovered (waste and scrap) paper or paperboard</a>"]
A --> B["<a href='/classifications/hs/v2022/4702'>4702: Chemical wood pulp, dissolving grades</a>"]
A --> C["<a href='/classifications/hs/v2022/4701'>4701: Wood pulp, mechanical wood pulp</a>"]
A --> D["<a href='/classifications/hs/v2022/4703'>4703: Chemical wood pulp, soda or sulphate, other than dissolving grades</a>"]
A --> E["<a href='/classifications/hs/v2022/4704'>4704: Chemical wood pulp, sulphite, other than dissolving grades</a>"]
A --> F["<a href='/classifications/hs/v2022/4705'>4705: Wood pulp obtained by a combination of mechanical and chemical pulping processes</a>"]
A --> G["<a href='/classifications/hs/v2022/4706'>4706: Pulps of fibres derived from recovered (waste and scrap) paper or paperboard or of other fibrous cellulosic material</a>"]
A --> H["<a href='/classifications/hs/v2022/4707'>4707: Waste and scrap of paper and paperboard</a>"]
B --> I["<a href='/classifications/hs/v2022/470200'>470200: Wood pulp; chemical wood pulp, dissolving grades</a>"]
%% Color coordination by level
classDef level1 color:#000,fill:#a8f9ff,stroke:#333,stroke-width:2px
classDef level2 color:#000,fill:#e0a458,stroke:#333,stroke-width:1px
classDef level3 color:#000,fill:#419d78,stroke:#333,stroke-width:1px
classDef level4 color:#000,fill:#c04abc,stroke:#333,stroke-width:1px
classDef level5 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
classDef level6 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
classDef highlight color:#000,fill:#fff,stroke:#000,stroke-width:5px
%% Apply classes
class A level2
class B level4
class C level4
class D level4
class E level4
class F level4
class G level4
class H level4
class I level6
class B highlight
%% class A level1
%% class B,C level2
%% class D,E,F,G,H,I level2
%% class J,K,L,M,N,O,P level3
%% class B highlight