Fire-Resistant Coating Additive Polyglycol Phosphonate
> A reactive additive for intumescent fire-resistant coatings, consisting of polyglycol esters of methylphosphonic acid. It is classified under tariff item 3824.92.00 because the item specifically covers these esters, and the product is a chemical preparation for use in the coatings industry.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the additive includes other reactive components or is a formulated mixture
Mixtures of chemical products not elsewhere specified may be classified under the residual heading.
If the product is supplied as a ready-to-use paint or coating solution
Paints and varnishes based on synthetic polymers are classified in Chapter 32 when they are in a finished coating form.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• > Provide a technical data sheet showing the product is a polyglycol ester of methylphosphonic acid to avoid reclassification
• If the additive is part of a two-component coating system, check whether it is presented as a set for retail sale, which could affect classification
• Confirm whether the product contains any substances restricted under Canadian environmental regulations
Related Products under Tariff item 3824.92.00
Antifoam Additive Based on Polyglycol Methylphosphonate
> An industrial antifoam agent composed of polyglycol esters of methylphosphonic acid, used to control foam in chemical manufacturing and wastewater treatment processes. It falls under tariff item 3824.92.00 because it is a chemical preparation based on the specific ester named in the item, and it is not elsewhere specified or included.
Flame Retardant Concentrate 75% Polyglycol Phosphonate
> A high-concentration (75%) masterbatch of polyglycol esters of methylphosphonic acid used for compounding into thermoplastics to impart flame retardancy. It falls under tariff item 3824.92.00 as it is a preparation based on the specific named ester, and it is not a finished plastic article.
Phosphonate-Based Polyglycol Surfactant for Detergents
This is a specialty surfactant containing polyglycol esters of methylphosphonic acid, used as a component in industrial detergent formulations. It falls under tariff item 3824.92.00 because it is a chemical product of the chemical or allied industries, not elsewhere specified or included, and is not a separate chemically defined compound.
Polyglycol Ester of Methylphosphonic Acid Flame Retardant
> A specific polyglycol ester of methylphosphonic acid used as a flame retardant additive in polyurethane foams and plastics. It is classified under tariff item 3824.92.00 because the item explicitly covers polyglycol esters of methylphosphonic acid, and the product is not elsewhere specified.
Polyglycol Methylphosphonate Hydraulic Fluid Stabilizer
> A chemical stabilizer for synthetic hydraulic fluids based on polyglycol esters of methylphosphonic acid, enhancing thermal stability and preventing degradation. It falls under tariff item 3824.92.00 as a chemical preparation of the named ester, not elsewhere specified or included.
Polyglycol Methylphosphonate Plasticizer for Polymers
> A plasticizing agent derived from polyglycol esters of methylphosphonic acid, used to enhance flexibility in PVC and other polymers. It is covered by tariff item 3824.92.00 as a chemical preparation of the specific ester, and it is not a finished plastic product.