Sika ViscoBytal Fiber-Reinforced Flow Improver
A specialised admixture that maintains workability in fibre-reinforced concrete with high fibre dosages, preventing fibre balling. This prepared additive for concrete is classified under 3824.40.00 as it improves the handling and placement of fibre-reinforced 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 |
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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 general flow improver for other construction materials
Other chemical preparations not specific to concrete may be classified elsewhere.
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
• Ensure the product is clearly described as an admixture for fibre-reinforced concrete on the commercial invoice to avoid misclassification
• Verify if the product contains any fibres that could change the classification to a composite material
• Provide a letter from the manufacturer confirming the product's intended use to support the tariff classification
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.