Water-Based Silicate Binder

Low-VOC aqueous sodium silicate dispersion with polymers for environmentally friendly foundry mold binding. Prepared for foundry use under HTS 3824.10.00.00. Meets stringent emissions regulations for green foundries.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6%+35.0%41%
🇲🇽Mexico6%+10.0%16%
🇨🇦Canada6%+10.0%16%
🇩🇪Germany6%+10.0%16%
🇯🇵Japan6%+10.0%16%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2839.11.00.00Lower: 36.1% vs 41%

If unmodified aqueous sodium silicate

Plain silicate solutions without foundry additives classify as inorganics.

3824.99.39Lower: 35% vs 41%

If general water-based chemical preparations

Non-foundry aqueous mixtures go to chemical residuals.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

VOC test results (<50 g/L) required for EPA import clearance

Polymer modification data distinguishes from standard silicate solutions

Extended shelf life (12+ months) improves import logistics planning

Related Products under HTS 3824.10.00.00

Sodium Silicate Foundry Binder

A liquid sodium silicate solution used as a binder in foundry sand molds and cores, providing high-temperature strength through silicate polymerization. It falls under HTS 3824.10.00.00 as a prepared binder specifically formulated for foundry mold production. Commonly used in iron and steel casting operations.

Furan Resin No-Bake Foundry Binder

Furfuryl alcohol-based resin binder with acid catalyst for no-bake sand molding systems, offering high strength for heavy steel castings. HTS 3824.10.00.00 covers these prepared foundry-specific binder formulations. Known for excellent shakeout properties and humidity resistance.

Alkaline Phenolic Hot Box Binder

Phenolic resin binder cured by hot air or CO2 gas in shell molding processes for foundry cores. Specifically prepared for high-production foundry lines under HTS 3824.10.00.00. Delivers thin-walled precision castings for automotive parts.

Pepset Polyurethane Foundry Binder

Part A (phenolic resin) and Part B (isocyanate) system activated by proprietary amine catalyst for precision core making. HTS 3824.10.00.00 classification for these specialized no-bake foundry binders. Widely used in high-volume aluminum die casting operations.

Silicate CO2 Binder System

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Resol Phenolic Shell Binder

Heat-activated resol phenolic resin for hot plate curing in shell core machines used in foundry operations. HTS 3824.10.00.00 specifically covers these prepared foundry mold binders. Provides excellent surface finish for thin-section castings.