Self-Leveling Underlayment Compound
A pourable, non-refractory concrete-like compound that levels subfloors before tile or flooring installation. Classified under HTS 3824.50.0050 as other non-refractory concretes, being a chemical preparation for construction. Dries to a smooth, durable surface.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | +35.0% | 35% |
| 🇲🇽Mexico | Free | +10.0% | 10% |
| 🇨🇦Canada | Free | +10.0% | 10% |
| 🇩🇪Germany | Free | +10.0% | 10% |
| 🇯🇵Japan | Free | +10.0% | 10% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If polymer-based without cement
Pure polymer floor compounds are other chemical preparations.
If refractory for high-heat floors
Heat-resistant formulations for industrial floors are refractory.
If paint-like coating for floors
Floor paints and varnishes fall under Chapter 32.
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Import Tips & Compliance
• Specify flow properties in technical data to confirm mortar status
• Provide slump test results to differentiate from liquid concrete mixes
• Ensure no asbestos or silica exceeding limits for worker safety filings
Related Products under HTS 3824.50.00.50
Polymer-Based Non-Refractory Mortar Mix
A ready-to-use mortar mix containing polymer additives and fine aggregates, designed for construction applications like bricklaying and plastering where high adhesion is needed. It falls under HTS 3824.50.0050 as a non-refractory mortar not elsewhere specified, consisting of chemical preparations from the chemical industries. This classification applies to pre-mixed formulations without refractory properties.
Cementitious Grout for Tile Installation
A non-refractory cement-based grout used to fill joints between ceramic tiles, offering water resistance and flexibility. Classified under HTS 3824.50.0050 as 'other' non-refractory mortars and concretes from chemical preparations. It is not for refractory use and is pre-mixed for construction.
Ready-Mix Repair Concrete Patch
A quick-setting, non-refractory concrete preparation for patching cracks in concrete surfaces, containing polymers and accelerators. It is classified in HTS 3824.50.0050 as other non-refractory concretes from chemical industries. Used in construction maintenance, not high-temperature applications.
Epoxy-Modified Thinset Mortar
A latex and epoxy-fortified thinset mortar for bonding tiles to substrates in wet areas, providing superior adhesion. Falls under HTS 3824.50.0050 as non-refractory mortar preparations from chemical industries, not specified elsewhere. Ideal for flooring and walls without refractory needs.
Pre-Mixed Stucco Repair Mortar
A non-refractory, lime-based mortar for repairing exterior stucco walls, offering breathability and weather resistance. It is under HTS 3824.50.0050 as other non-refractory mortars from chemical preparations. Used in architectural restoration.
Acrylic Polymer Concrete Additive
A concentrated acrylic dispersion mixed into concrete for non-refractory mortars, enhancing flexibility and waterproofing. Classified in HTS 3824.50.0050 as other non-refractory concrete preparations. Primarily for admixture in construction mixes.