Containing by weight more than 50 percent of alumina (Al2O3), of silica (SiO2) or of a mixture or compound of these products:
957415 · 1995-09-06 — Protest 0901-94-101205; refractory articles; well blocks, solid plugs, bell bricks, center risers, bottom guides, spider bricks, runner bricks, up-gates; Additional U.S. Note 2, Chapter 69; refractory bricks; 6902.20.50; other refractory articles; 6903.20.00; other refractory ceramic goods; EN 69.02 and 69.03; John C. Rogers & Co., Inc., a/c Hoeganaes Sponge Iron Corp; Pittsburgh Plate Glass Company; HRLs 086441, 087895, 061716, 083745, and 955836
This is in regards to Protest 0901-94-101205 concerning the tariff classification of refractory articles under the Harmonized Tariff Schedule of the United States (HTSUS). Additional information contained in submissions dated September 30, October 13, and 19, 1994, and August 7, 1995, and presented in a meeting at Customs Headquarters on August 4, 1995, were taken into consideration in rendering this decision. FACTS: The refractory articles at issue are well blocks, solid plugs, bell bricks, center risers, bottom guides, spider bricks, runner bricks, and up-gates. The protestant states that…
087895 · 1990-12-13 — Refractory products; Cruciform checkers; Firebricks; Furnace lining; Arch blocks; Stack blocks; QT refractory tiles; alumina; silica; silicon carbide
This is in reference to your request, in behalf of Corhart Refractories Corporation, for classification of certain refractory products of France under the Harmonized Tariff Schedule of the United States (HTSUS). FACTS: The refractory products listed were: Cruciform Checkers - firebricks of various shapes and sizes used to line regenerator chambers of furnaces. They are said to be comprised of a mixture of alumina and silica that exceeds 50 percent by weight. Arch Blocks (ER1681 SI N/RN) - refractory articles used in glass furnace superstructure, with 50.2 to 50.6 percent by weight alumina and…
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