Other inorganic oxygen compounds of nonmetals: — Silicon dioxide:
Part of: 2811 — Other inorganic acids and other inorganic oxygen compounds of nonmetals:
H332948 · 2025-08-25 — Request for Further Review of Protest Number 1601-21-105798; Classification; Applicability of Section 301 Trade Remedies; Silica Gel.
H332948 August 25, 2025 OT:RR:CTF:CPMMA H332948 NAH CATEGORY: Classification TARIFF NO.: 2811.22.10; 9903.88.37 Center Director Pharmaceuticals, Health and Chemicals Center of Excellence and Expertise U.S. Customs and Border Protection Attn: Michael Neeley, Import Specialist RE: Request for Further Review of Protest Number 1601-21-105798; Classification; Applicability of Section 301 Trade Remedies; Silica Gel. Dear Center Director, This is in reply to the Application for Further Review (“AFR”) of Protest Number 1602-21-105798, filed on September 22, 2021, by Harvest Ventures, dba Ultra Pet…
H237643 · 2015-07-16 — Modification of NY J83810; Tariff classification of two samples of silicon dioxide “C-Gel”, synthetic silica gel, from Switzerland
On June 23, 2003, U.S. Customs and Border Protection (CBP) issued Wheels Up International, Inc. (Wheels Up) New York Ruling Letter (NY) J83810. NY J83810 pertains to the tariff classification under the Harmonized Tariff Schedule of the United States, (HTSUS) of submitted samples of four grades of silicon dioxide, referred to as “C-Gels.” We have since reviewed NY J83810 and find it to be in error with respect to two lots referred to as “C-560” (40-60 microns, Lot 4863, and 200-500 microns, Lot 4934), which is described in detail herein. Pursuant to Section 625(c), Tariff Act of 1930 (19…
086755 · 1990-09-28 — Internal Advice Request No. 9/90 relating to the tariff classification under the Harmonized Tariff Schedule of the United States Annotated (HTSUSA) of a silica product known by the brand name "Durosil"
This request for internal advice was initiated by a letter dated July 19, 1989, from Mr. Frank Harland on behalf of Degussa Corporation. FACTS: The merchandise consists of a hydrated silica containing 7.4 percent bound water. This amount of bound water indicates that the product is significantly hydrated. Moreover, the product has the overall physical characteristics of a silica gel. It is known by the brand name "Durosil." ISSUES: Is the presence and amount of bound water a factor to be considered in determining whether a silicon compound should be classified under the HTSUSA as a silica…
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