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HS-6 · Subheading

381190

Oxidation and gum inhibitors, viscosity improvers, anti-corrosive preparations, other prepared additives for mineral oils or liquids used as mineral oils (including gasoline), n.e.c. in heading no. 3811

Heading 3811Anti-knock preparations, oxidation and gum inhibitors, viscosity improvers, anti-corrosive preparations and the like, for mineral oils (including gasoline) or other liquids used for the same purposes

Chapter 38: Miscellaneous chemical products

Plain-language overview

Use HS-6 381190 when importing or exporting prepared additives like oxidation inhibitors for mineral oils, such as gasoline. For instance, if you're shipping a package of anti-corrosive additives designed for engine oils, this is the correct code.

This code specifically covers products that enhance the performance of mineral oils by preventing oxidation and gum formation. It differs from HS-6 381191, which focuses on anti-knock preparations, highlighting the importance of selecting the right classification based on the product's function.

If you're dealing with viscosity improvers or other prepared additives that aren't classified elsewhere, HS-6 381190 is your go-to. For example, a shipment of a liquid additive that improves fuel stability would fall under this code, while a fuel octane booster would require HS-6 381191.

Understanding the nuances between these codes is essential for compliance and accurate duty assessment. Make sure to verify the specific properties and intended use of your product to ensure proper classification.

Keywords & topics

Useful terms traders and brokers use for this HS-6 subheading.

oxidation inhibitors · viscosity improvers · anti-corrosive preparations · prepared additives for oils · mineral oil additives · fuel performance enhancers · engine oil additives · gasoline additives · chemical products n.e.c. · anti-knock preparations · oil stability products · liquid additives for fuels · lubricating oil treatments · hydraulic fluid additives · fuel treatment chemicals

Examples

Drawn from the official tariff wording for this HS-6 subheading. Always confirm against your published schedule and legal notes.

  • Anti-corrosive additives for gasoline
  • Oxidation inhibitors for engine oils
  • Viscosity improvers for diesel fuel
  • Additives for lubricating oils to prevent gum formation
  • Prepared additives for enhancing fuel stability
  • Chemical mixtures designed to improve oil performance
  • Additives used in hydraulic fluids to prevent degradation
  • Specialty products for aviation fuel treatments

Common questions

Frequent classification questions with short practical guidance.

What is HS code 381190 used for?

Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.

How to classify oxidation inhibitors?

Write down material, use, and product form first, then compare nearby lines before you lock the code.

Are viscosity improvers covered under HS 381190?

Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.

What products fall under HS-6 381190?

Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.

Differences between HS 381190 and 381191?

Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.

How to import anti-corrosive preparations?

Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.

What are prepared additives for mineral oils?

Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.

Do oxidation inhibitors require special documentation?

Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.

Related topics

Common real-world topics that come up during code comparison.

How to classify prepared additives for mineral oils

Use this topic to narrow your shortlist, then validate the final code against legal wording.

Examples of products under HS code 381190

Use this topic to narrow your shortlist, then validate the final code against legal wording.

What are the requirements for importing oxidation inhibitors?

Check the exact product specs and destination-country tariff notes before finalizing the code.

Understanding HS-6 code for viscosity improvers

Use this topic to narrow your shortlist, then validate the final code against legal wording.

Classification of anti-corrosive preparations for fuels

Use this topic to narrow your shortlist, then validate the final code against legal wording.

Differences in HS codes for fuel additives

Compare adjacent HS lines and pick the one that matches material, function, and product form most closely.

What to include in documentation for HS 381190 imports

Check the exact product specs and destination-country tariff notes before finalizing the code.

Guidelines for shipping oxidation inhibitors and additives

Use this topic to narrow your shortlist, then validate the final code against legal wording.

Questions & answers

For orientation only—the binding text is your national tariff and the WCO nomenclature your country uses.

What types of products are classified under HS-6 381190?
HS-6 381190 covers oxidation inhibitors, viscosity improvers, anti-corrosive preparations, and other prepared additives for mineral oils and similar liquids.
How do I determine if my product fits HS-6 381190?
Check if your product is a prepared additive that enhances the performance of mineral oils by preventing oxidation or improving viscosity. If it does, it likely falls under this code.
What is the difference between HS-6 381190 and HS-6 381191?
HS-6 381190 includes oxidation inhibitors and viscosity improvers, while HS-6 381191 specifically covers anti-knock preparations for fuels like gasoline.
Do I need special permits for importing products under HS-6 381190?
While specific permits may not be required for all products under this code, it's essential to check local regulations and ensure compliance with safety and environmental standards.
Can I use HS-6 381190 for all types of fuel additives?
No, only those that are oxidation inhibitors, viscosity improvers, or anti-corrosive preparations. Other types, like anti-knock agents, fall under different codes.
What documentation do I need for shipping products classified under HS-6 381190?
You will typically need a commercial invoice, packing list, and any relevant safety data sheets (SDS) that detail the chemical properties of your product.
Are there any specific labeling requirements for products under HS-6 381190?
Yes, products must be labeled according to local regulations, including hazard warnings and usage instructions, especially if they contain hazardous materials.
How can I ensure accurate classification for my product?
Consult with a customs broker or trade compliance expert who can help you analyze your product's characteristics and determine the correct HS code.

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