Other
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 additives for cements, mortars or concretes: > Other
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 3824.40.50.00
Sika ViscoCrete Polycarboxylate Superplasticizer
A high-performance polycarboxylate ether-based admixture used to enhance workability and reduce water content in concrete mixes. It falls under HTS 3824.40.5000 as a prepared additive for concrete that improves flowability and strength without being elsewhere specified. This liquid formulation is essential for high-strength and self-compacting concrete applications.
BASF MasterGlenium 51 High-Range Water Reducer
A third-generation superplasticizer admixture that disperses cement particles for improved concrete rheology and early strength development. Classified under HTS 3824.40.5000 as a prepared additive for concretes, enhancing durability and pumpability. Ideal for ready-mix and precast concrete production.
Euclid Chemical Eucolast Polyol Air-Entraining Agent
A synthetic polyol-based admixture that introduces microscopic air bubbles into concrete to improve freeze-thaw resistance. It qualifies for HTS 3824.40.5000 as a prepared concrete additive providing durability in cold climates. Commonly used in pavements and structural elements exposed to weathering.
GCP TIPS Sikaplast Accelerator for Cold Weather Concreting
A calcium chloride-free accelerating admixture that speeds up cement hydration for faster setting in low-temperature conditions. Falls under HTS 3824.40.5000 as a prepared additive for concrete set control. Critical for winter construction projects requiring rapid strength gain.
Fritz-Pak Supercizer 2 Water-Reducing Admixture
A concentrated lignosulfonate-based water reducer that improves concrete cohesion and reduces cement requirements. Classified in HTS 3824.40.5000 as a prepared mortar and concrete additive for cost-effective high-performance mixes. Widely used in mass concrete pours.
Rheomac SF100 Synthetic Defoamer for Concrete
A silicone-free defoaming agent that controls entrapped air in concrete mixes to prevent segregation and surface defects. Meets HTS 3824.40.5000 criteria as a prepared concrete additive maintaining mix stability. Essential for pumped concrete and architectural finishes.
Euclid Amerlock 240 Corrosion Inhibiting Admixture
A migrating corrosion inhibitor that penetrates concrete to protect embedded steel rebar from chloride attack. Classified under HTS 3824.40.5000 as a concrete durability additive for reinforced structures. Used in bridges, parking garages, and marine environments.
Sika Control AE 100 Viscosity Modifying Agent
A polymer-based viscosity modifier that stabilizes concrete aggregates to prevent segregation in self-consolidating concrete. Falls under HTS 3824.40.5000 as a prepared concrete flow control additive. Critical for high-rise construction and precast elements.
BASF Rheomac V10 Concrete Viscosity Regulator
A specialized admixture that adjusts concrete viscosity for optimal workability in challenging aggregate conditions. HTS 3824.40.5000 classification applies to this prepared concrete performance enhancer. Used in dam construction and roller-compacted concrete.
Master Builders X-Seed Crystalline Early Strength Enhancer
Nucleation seeding crystals that accelerate cement hydration for early strength in precast concrete production. Prepared additive under HTS 3824.40.5000 for rapid form-turnover applications. Enables same-day demolding in manufacturing plants.
Sika Sikament 686 Ultra High-Range Superplasticizer
Advanced polycarboxylate superplasticizer for ultra-high workability concrete with minimal water-cement ratio. HTS 3824.40.5000 covers this concrete additive used in high-performance structures. Achieves flowable consistency without segregation.
Gomaco Micro-Air Entraining Agent Concentrate
Concentrated vinsol resin admixture creating stable air-void system for enhanced concrete durability. Prepared concrete additive under HTS 3824.40.5000 for highway and airport pavements. Provides proven freeze-thaw resistance.
Fritz-Pak Thixo II Non-Segregating Thickener
Welan gum-based thickener preventing water separation in fluid concrete mixes. HTS 3824.40.5000 for this concrete stability additive used in deep lifts and columns. Maintains homogeneity under pump pressure.
BASF MasterMatrix UltraFlow Self-Consolidating Agent
Proprietary blend enabling self-consolidating concrete that flows without vibration. Prepared concrete additive HTS 3824.40.5000 for complex formwork applications. Reduces labor and improves finish quality.
Sika ViscoBytal Fiber-Reinforced Flow Improver
Specialized admixture for fiber-reinforced concrete maintaining workability with high fiber dosages. HTS 3824.40.5000 classification for concrete additives in structural shotcrete and overlays. Prevents fiber balling.