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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If general colloidal silica preparations
Colloidal silica without foundry shell designation goes to chemical residuals.
If refractory ceramic goods
Completed ceramic shell molds classify under refractories rather than binders.
Not sure which classification is right?
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Import Tips & Compliance
• Investment casting specification distinguishes from general refractory binders
• High purity silica (99.9%) content requires analytical certificates
• Aerospace end-use may qualify for duty drawback programs
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
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.