Gomaco Micro-Air Entraining Agent Concentrate
A concentrated vinsol resin admixture that creates a stable air-void system in concrete, enhancing freeze-thaw durability for pavements. This prepared additive for concrete is classified under 3824.40.00 as it is specifically formulated to entrain air in cementitious mixes.
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 |
PGA flags
No agency flag on this HTS number in the CBSA Single Window matching criteria.
CBSA Single Window matching criteria, unknown
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 product is a mixture of resins not specifically for concrete
Mixtures of natural products for other industrial uses may fall under other chemical preparations.
If the product contains artificial graphite or similar carbon-based materials
Colloidal or semi-colloidal graphite preparations are classified elsewhere in Chapter 38.
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
• Confirm the vinsol resin content and concentration on the safety data sheet, as this may affect classification if the product is considered a separate chemically defined compound
• Check if the product requires a Canadian registration number under the Pest Control Products Act if it also claims any antimicrobial properties
• Declare the correct value in Canadian dollars, including freight and insurance, to avoid penalties under the Customs Act
Related Products under Tariff item 3824.40.00
Aluminum Powder Concrete Aerating Agent
> Fine aluminum powder prepared with inorganic gas-generating activators to produce air-entrained concrete for freeze-thaw resistance. This product is a prepared additive for cements, mortars, or concretes, creating stable microscopic air bubbles.
Aromatic Plasticizer Concrete Admixture
> A liquid additive for cement and concrete mixes containing over 5% aromatic substances like alkylbenzene sulfonates to improve workability and reduce water demand. This product is a prepared additive specifically formulated for use in cements, mortars, or concretes, and is classified under tariff item 3824.40.00.
Aromatic Polyol Retarder for High-Performance Concrete
> A sugar-derived polyol retarder with aromatic modifiers (>5%) extending concrete setting time for hot weather pours. This product is a prepared additive for cements, mortars, or concretes, designed to control setting time and improve workability in high-temperature conditions.
Aromatic Sulfonate Water Reducer for Mortar
> A concentrated liquid water-reducing agent with sodium naphthalene sulfonate (>5% aromatic) for mortars and concretes, improving strength by minimizing water. This product is a prepared additive specifically designed for use in cementitious mixes, falling under tariff item 3824.40.00.
Barium Metaborate Concrete Fire Retardant
> Inorganic barium metaborate powder incorporated into cement mixes to impart fire resistance and reduce combustible material passage. This product is a prepared additive for cements, mortars, or concretes, classified under tariff item 3824.40.00.
BASF MasterGlenium 51 High-Range Water Reducer
A third-generation superplasticizer admixture that disperses cement particles for improved concrete rheology and early strength development. This product is a prepared additive for concretes, falling under tariff item 3824.40.00.