4016 - Other articles of vulcanized rubber other than hard rubber:
Sub-classifications
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4016 1000 00
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4016 9100 00
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4016 9400 00
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4016 9500 00
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4016 99
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Overview
Heading 4016 encompasses a broad array of manufactured articles fabricated from vulcanized rubber, excluding those made from hard rubber. This category serves as a catch-all for rubber goods that do not fit into more specific headings within Chapter 40. Examples include, but are not limited to, various types of seals, gaskets, grommets, bumpers, vibration dampeners, elastic bands, and components for machinery and equipment, provided they are not specifically classified elsewhere. The key unifying factor for this heading is the use of vulcanized rubber as the primary material and the absence of hard rubber composition.
Unlike other headings within Chapter 40, such as those for tires (4011) or footwear (6401-6406), heading 4016 focuses on items that are not primarily intended for specific applications like transportation or apparel. It is distinguished from headings covering unvulcanized rubber articles by the vulcanization process, which imparts elasticity, strength, and durability to the rubber. Furthermore, it differs from heading 4015, which covers articles of apparel and clothing accessories (including gloves), even if made of vulcanized rubber.
The subcategories within heading 4016 serve to further refine the classification of these diverse rubber articles. The primary subdivision distinguishes between articles made from cellular rubber (foam rubber) and "other" articles. Cellular rubber products are characterized by their porous structure, offering properties like insulation, cushioning, and buoyancy. The "other" category then encompasses the remainder of articles made from non-cellular vulcanized rubber, further detailing specific types based on their form, function, or additional processing where applicable under subsequent subheadings.