Lithium Silicate Concrete Densifier
A colloidal solution of lithium silicate used to densify and harden freshly placed concrete surfaces by chemical reaction forming calcium silicate hydrate. Classified HTS 3824.40.20.00 as wholly inorganic prepared additive for concrete. Increases surface abrasion resistance dramatically.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If bulk lithium silicate solution
General purpose silicates without concrete preparation specificity classify under Chapter 28.
If with organic penetrating aids
Organic-enhanced densifiers fall into miscellaneous chemical preparations.
If polymer-modified silicate
Blends with organic silanes or polymers shift to organic additives subheading.
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
• Specify SiO2:Li2O ratio on technical data sheet; confirm no organic stabilizers present; check pH requirements for concrete compatibility
Related Products under HTS 3824.40.20.00
Calcium Sulfonate Concrete Accelerator
A powdered additive made entirely from inorganic calcium sulfonate compounds used to accelerate the setting time of concrete in cold weather applications. It falls under HTS 3824.40.20.00 as a prepared additive for cements and concretes consisting wholly of inorganic substances. This product enhances early strength development without affecting final compressive strength.
Sodium Silicate Cement Hardener
A liquid preparation of sodium silicate (water glass) used as a hardener and dust proofer for concrete floors and surfaces. Classified under HTS 3824.40.20.00 because it consists wholly of inorganic silicate compounds prepared for cement and concrete applications. It penetrates concrete to form a hardened silica gel layer.
Zinc Oxide Concrete Corrosion Inhibitor
An inorganic powder additive containing zinc oxide compounds designed to inhibit corrosion of steel reinforcement in concrete structures. It qualifies for HTS 3824.40.20.00 as a prepared inorganic additive specifically for cement and concrete use. The zinc reacts to form protective layers on rebar surfaces.
Potassium Ferrate Concrete Waterproofer
A specialized inorganic salt preparation of potassium ferrate used to waterproof and strengthen concrete by reacting with water to form insoluble complexes. Falls under HTS 3824.40.20.00 as it consists wholly of inorganic ferrate compounds prepared for concrete applications. Provides permanent internal waterproofing.
Magnesium Oxy Chloride Concrete Accelerator
A dry powder mix of magnesium oxide and magnesium chloride used to produce fast-setting magnesium oxychloride concrete for rapid repair applications. HTS 3824.40.20.00 applies as it's composed entirely of inorganic magnesium compounds prepared for cement use. Sets in 10-30 minutes.
Sodium Aluminate Cement Accelerator
An inorganic solution of sodium aluminate that accelerates cement hydration and provides early strength in oil well cementing applications. Classifies under HTS 3824.40.20.00 as wholly inorganic prepared concrete additive. Essential for high-temperature well cementing.