Information: Raised floor / raised floor panels usually with steel supports and accessories (in disassembled condition); Components: 1. raised floor panel (calcium sulphate panel/gypsum fiber in various dimensions and configurations and/or top covering, 2. edge tape (optional), 3. support adhesive, 4. steel support, if necessary steel profile, 5. various small parts/assembly material (e.g. sound insulation plates , thread sealing, wall connection tape, etc. ); Use: as a raised floor (after assembly). Findings: goods made of plaster or mixtures based on plaster. Composite goods, in which, within the meaning of AV 3b), the panels made of calcium sulphate with regard to the scope and importance for the use are considered to be character-defining.
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[1][1]. DEBTI30712/20-1#694541
The merchandise under consideration is referred to as “Quartz Core Flooring.” A sample was submitted with your ruling request and will be retained by this office. From the information you provided, the Quartz Core Flooring measures approximately 1210 millimeters long by 193 millimeters wide by 6.5 millimeters, 8 millimeters, or 10 millimeters in thickness. The core layer, which measures 6.2 millimeters, 7.8 millimeters, or 9.8 millimeters thick depending on the overall depth of the board, is faced with .15-millimeter-thick urethane-coated wood grain paper, and is backed with a .15-millimeter-thick foam layer. The core layer consists of Portland cement with smaller amounts of slaked lime, quartz sand, and paper fiber. You state that these components are evenly mixed throughout the body of the core, and that the purpose of the paper fiber is to strengthen the cement. The Quartz Core Flooring is designed to be used as flooring in kitchens, bathrooms, and basements.
[1] Please importantly note that only the relevant portion of the related is displayed above. You may refer to the said customs ruling for the entire ruling explanation.
[1]. https://rulings.cbp.gov/ruling/N321574