Prepared binders for foundry molds or cores
Prepared binders for foundry molds or cores; chemical products and preparations of the chemical or allied industries (including those consisting of mixtures of natural products), not elsewhere specified or included: > Prepared binders for foundry molds or cores
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified 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
Sodium silicate solution formulated for gas-catalyzed hardening in foundry core production using CO2 injection. Prepared specifically for foundry molds under HTS 3824.10.00.00. Economical choice for gray iron casting with good collapsibility.
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.
Acid Furan Flexible Binder
Furfuryl alcohol resin with plasticizers for foundry cores requiring flexibility and impact resistance in large steel castings. Prepared binder under HTS 3824.10.00.00 for foundry mold applications. Reduces cracking in thick sections.
Self-Setting Alkaline Binder
Liquid sodium silicate modified with proprietary additives for ambient temperature setting without external catalyst in foundry molds. HTS 3824.10.00.00 classification for these advanced prepared foundry binders. Eliminates gas evolution issues.
Isocure Polyurethane Binder
Amine gas-cured phenolic urethane binder system (PUCB) for high-production foundry core making with excellent tensile properties. Specifically formulated for foundry molds under HTS 3824.10.00.00. Used in automotive transmission housing production.
Novolac Phenolic Hot Core Binder
Novolac resin with hexamethylenetetramine catalyst for hot core box processes in precision foundry operations. HTS 3824.10.00.00 covers these heat-cured foundry binders. Ideal for small, intricate cores in engine components.
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.
Hybrid Furan/Silicate Binder
Combination furan resin and colloidal silicate binder offering balanced properties for demanding foundry applications. HTS 3824.10.00.00 classification for complex prepared foundry binders. Provides both chemical and mechanical bonding.
Gas-Set Polyurethane Core Binder
Phenolic urethane no-bake binder cured by dimethylamine or triethylamine gas for high-precision foundry cores. Specifically prepared for foundry core machines under HTS 3824.10.00.00. Excellent for thin-walled intricate castings.
Ceramic Shell Binder
Colloidal silica binder with proprietary additives for investment casting ceramic shell molds in aerospace foundry applications. HTS 3824.10.00.00 covers these precision prepared foundry binders. Enables complex thin-section turbine blades.
Phenolic Urethane Cold Box Binder
A two-part resin system (phenolic resin and polyisocyanate) that cures at room temperature with amine catalyst for foundry cores. Classified under HTS 3824.10.00.00 as a prepared binder optimized for no-bake foundry processes. Provides excellent dimensional accuracy in complex aluminum castings.