HS Code | Official Doc | Tariff Rate | Origin | Destination | Effective Date |
---|---|---|---|---|---|
4823901000 | Doc | 55.0% | CN | US | 2025-05-12 |
4823907000 | Doc | 55.0% | CN | US | 2025-05-12 |
4821904000 | Doc | 55.0% | CN | US | 2025-05-12 |
4821902000 | Doc | 55.0% | CN | US | 2025-05-12 |
3901905501 | Doc | 61.5% | CN | US | 2025-05-12 |
3901909000 | Doc | 61.5% | CN | US | 2025-05-12 |
Gutta Percha
Gutta percha is a natural latex obtained from the sap of certain trees, primarily Palaquium species, native to Southeast Asia. Historically, it has been a significant material with diverse applications, though its use has diminished with the advent of synthetic alternatives.
Material Properties
Gutta percha is a thermoplastic polymer, meaning it becomes pliable when heated and hardens upon cooling. In its raw state, it is a soft, sticky substance. However, after processing – typically involving heating and repeated folding – it becomes a tough, durable, and waterproof material. Key characteristics include:
- Composition: Primarily composed of trans-polyisoprene, similar to natural rubber but with a different isomeric form. This difference contributes to its distinct properties.
- Color: Typically pale yellow to brownish, though it can be colored.
- Flexibility: Flexible when warm, becoming brittle at lower temperatures.
- Water Resistance: Highly resistant to water and many chemicals.
- Electrical Insulation: A good electrical insulator.
Historical and Current Purpose
Historically, gutta percha saw widespread use due to its unique properties. Its applications have largely been superseded by synthetic materials, but some niche uses remain.
- Early Electrical Insulation: One of the first materials used for insulating submarine telegraph cables in the mid-19th century. Its water resistance and insulating properties were critical for this application.
- Dental Applications: Historically, and still in some cases, used as a root canal filling material in dentistry. The term "blue baby gutta percha" refers to gutta percha cones used in endodontic (root canal) procedures, often colored blue for identification.
- Golf Balls: Used in the early manufacture of golf balls, providing a durable core.
- Other Uses: Historically employed in the production of surgical instruments, picture frames, knives, and various molded objects.
Function
The function of gutta percha varies depending on the application.
- Electrical Insulation: Prevents the flow of electricity, protecting cables and components.
- Dental Filling: Seals root canals, preventing bacterial reinfection and preserving the tooth.
- Molding: Can be molded into various shapes for creating durable, waterproof objects.
Usage Scenarios
- Dentistry: Endodontic treatment to seal root canals. The blue color assists in visualization during the procedure.
- Restoration: In some cases, used in the restoration of antique objects requiring a material similar to the original.
- Specialized Applications: Niche uses where its specific properties (water resistance, insulation) are required.
Common Types/Forms
- Processed Gutta Percha: The material after heating and folding, ready for use in various applications.
- Gutta Percha Cones: Specifically manufactured for dental root canal fillings, available in various sizes and tapers. Often pre-coated with sealer.
- Gutta Percha Sticks/Sheets: Used for molding or restoration purposes.
- Obtura: A proprietary brand of gutta percha-based root canal filling material.
The declared goods, “blue baby gutta percha,” refer to a material – gutta percha – often colored blue and specifically intended for pediatric dental applications. Gutta percha is a natural latex derived from certain trees, primarily used in endodontic procedures (root canal fillings) due to its biocompatibility and ability to seal root canals. The “baby” designation indicates its smaller size and suitability for children’s teeth.
The following HS codes are relevant based on the provided reference material:
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4823901000: Other paper, paperboard, cellulose wadding and webs of cellulose fibers, cut to size or shape; other articles of paper pulp, paper, paperboard, cellulose wadding or webs of cellulose fibers: Other: Of paper pulp.
- 48: Paper or paperboard; manufactures thereof, not including paperboard containers. This chapter covers products made from paper pulp.
- 23: Other paper, paperboard, cellulose wadding and webs of cellulose fibers, cut to size or shape; other articles of paper pulp, paper, paperboard, cellulose wadding or webs of cellulose fibers.
- 901000: Other: Of paper pulp. This subheading specifies products made specifically from paper pulp.
- Note: While gutta percha is not paper pulp, this HS code is included as it appears within the reference material.
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4823907000: Other paper, paperboard, cellulose wadding and webs of cellulose fibers, cut to size or shape; other articles of paper pulp, paper, paperboard, cellulose wadding or webs of cellulose fibers: Other: Other: Other: Of cellulose wadding.
- 48: Paper or paperboard; manufactures thereof, not including paperboard containers. This chapter covers products made from paper pulp.
- 23: Other paper, paperboard, cellulose wadding and webs of cellulose fibers, cut to size or shape; other articles of paper pulp, paper, paperboard, cellulose wadding or webs of cellulose fibers.
- 907000: Other: Other: Other: Of cellulose wadding. This subheading specifies products made specifically from cellulose wadding.
- Note: While gutta percha is not cellulose wadding, this HS code is included as it appears within the reference material.
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3901905501: Polymers of ethylene, in primary forms: Other: Other: Ethylene copolymers.
- 39: Plastics and articles thereof. This chapter covers various plastic materials.
- 01: Polymers of ethylene, in primary forms. This heading specifies ethylene-based polymers.
- 905501: Other: Other: Ethylene copolymers. This subheading specifies ethylene copolymers.
- Note: While gutta percha is not a polymer of ethylene, this HS code is included as it appears within the reference material.
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3901909000: Polymers of ethylene, in primary forms: Other: Other: Other.
- 39: Plastics and articles thereof. This chapter covers various plastic materials.
- 01: Polymers of ethylene, in primary forms. This heading specifies ethylene-based polymers.
- 909000: Other: Other: Other. This subheading specifies other ethylene-based polymers.
- Note: While gutta percha is not a polymer of ethylene, this HS code is included as it appears within the reference material.
According to the provided reference material, the HS code options related to 'blue baby gutta percha' are limited, with only the following 4 found.
It is important to note that the tariff for all listed HS codes is 55.0% (0.0% basic tariff + 25.0% additional tariff + 30.0% additional tariff after 2025.4.2). However, these HS codes may not be the most accurate classification for gutta percha. Further investigation and consultation with customs authorities are recommended to determine the correct HS code.