Other
Part of: 281122 — Other inorganic oxygen compounds of nonmetals: — Silicon dioxide:
N306472 · 2019-10-24 — The tariff classification of Scandium Oxide, Silicon Dioxide, and Silicon Monoxide from China
In your ruling request dated September 27, 2019, you requested a tariff classification ruling on Scandium Oxide, Silicon Dioxide, and Silicon Monoxide. You state that the products at issue are used in semiconductor (electronics) and optical coating industries. These products are described as chemical compounds of high purity and density. Scandium Oxide is 99.99% pure and will be imported in the form of 3-6 millimeter size granules, Silicon Dioxide is 99.99% pure and will be imported in the form of 1-3 millimeter size granules, Silicon Monoxide is 99.99% pure and will be imported in the form…
N245132 · 2013-09-11 — The tariff classification of silicon dioxide from Japan
In your ruling request dated August 14, 2013, on behalf of your client, Small Axe Corporation, you requested a tariff classification ruling on silicon dioxide. The submitted documents indicate that the product at issue is in paste form and used in engine treatment fluids. You have also stated that the product’s composition consists of silicon dioxide (CAS no. 7631-86-9) and water (CAS No. 7732-18-5). The applicable subheading for silicon dioxide will be 2811.22.5000, Harmonized Tariff Schedule of the United States (HTSUS), which provides for Other inorganic oxygen compounds of nonmetals:…
N239278 · 2013-04-03 — The tariff classification of silicon dioxide from Japan
In your ruling request dated March, 4, 2013, on behalf of your client, Small Axe Corporation, you requested a tariff classification ruling on silicon dioxide. The product at issue is described as a light gray, odorless, powder. The submitted documentation further indicates that the product’s composition consists of 95-97% silicon dioxide (CAS no. 7631-86-9) and 3%-5% water (CAS No. 7732-18-5). You have indicated that the product is intended to be used as engine treatment powder. The applicable subheading for silicon dioxide will be 2811.22.5000, Harmonized Tariff Schedule of the United States…
N233121 · 2012-10-03 — The tariff classification of synthetic amorphous silicon dioxide (CAS no. 7631-86-9) from Germany
In your ruling request dated September 5, 2012, on behalf of W.R. Grace & Co.-Conn., you requested a tariff classification ruling on two grades of synthetic amorphous silicon dioxide (CAS no. 7631-86-9). A sample of each product has been submitted for review and will be returned. Both products are described as white, odorless, powders. The submitted documentation further indicates that the products at issue are amorphous silicon dioxides, chemically prepared. The applicable subheading for both grades of synthetic amorphous silicon dioxide (CAS no. 7631-86-9) will be 2811.22.5000, Harmonized…
N174227 · 2011-08-03 — The tariff classification of Precipitated Synthetic Amorphous Silicon Dioxide (CAS # 7631-86-9)
You provided two samples of a white powder substance in clear plastic containers, which you describe as precipitated silica. The provided Material Safety Data Sheets further describe both items as “Precipitated synthetic amorphous silicon dioxide” (CAS # 7631-86-9). The applicable subheading for the Precipitated Synthetic Amorphous Silicon Dioxide (CAS # 7631-86-9) will be 2811.22.5000, Harmonized Tariff Schedule of the United States (HTSUS), which provides for Other inorganic acids and other inorganic oxygen compounds of nonmetals: Other inorganic oxygen compounds of nonmetals: Silicon…
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