Other
Part of: 69039000 — Other
N135676 · 2010-12-17 — The tariff classification of refractory ceramic tap-hole products from China.
In your undated letter, received by us on December 2, 2010, on behalf of Mayerton Refractories USA LLC, you requested a tariff classification ruling. The merchandise under consideration consists of refractory ceramic tap-hole products, comprised mainly of fused magnesia. Tap-holes are fully pre-assembled, hollow, cylindrical refractory tubes, that are either segmented or one piece, isostatically pressed. The products are designed for use in a furnace for running off molten steel. Once desired steel composition and temperature are achieved in the furnace, the tap-hole is opened, the furnace is…
N108625 · 2010-06-16 — The tariff classification of ceramic Metallist Intermetallic Composite Boats from China.
The merchandise under consideration, based on the submitted literature, is identified as Metallist Intermetallic Composite (IMC) boats. The Metallist IMC boats are made of ceramic, composed of boron nitride and titanium diboride hot-pressed at high temperature. The dimensions are 5 mm in length by 1 mm in width by 1 mm in thickness, and 0.5 mm in cavity thickness. Applications for the product include protective barrier coatings for the food and beverage industries, high reflectivity coatings for the automobile industry and functional coatings for the television and computer industries. It is…
955836 · 1994-07-11 — Protest 3901-93-102123; magnesite refractory tuyere nozzles; 6902.10.10; magnesite refractory bricks; EN 69.02; EN 69.03; John C. Rogers & Co., Inc., a/c Hoeganaes Sponge Iron Corp. v. United States; Pittsburgh Plate Glass Company v. United States
This pertains to Protest 3901-93-102123, which concerns the tariff classification of magnesite refractory tuyere nozzles under the Harmonized Tariff Schedule of the United States (HTSUS). FACTS: The subject articles are described by the protestant as follows: The LD-CB Refractory consists of 5 kinds of magnesite bricks mortered together on one small piece of 427mm O.D. steel pipe. Additionally, commercial invoices and packing lists further describe the articles as "tuyere nozzles" or "dummy tuyere nozzles." Tuyere nozzles are used as the openings by which preheated air and other gasses are…
866527 · 1991-09-16 — The tariff classification of ceramic evaporation boats fromGermany.
, you requested a tariff classification ruling. The sample submitted is a resistance-heated, oblong-shape, ceramic eva- poration boat, identification number A20, which measures approximately 6" in length by 1" in width and possesses a top impression running along most of its length (noting that another kind of boat, referred to as A0, will also be imported). It is stated that boat A20 is composed by weight of at least 45% of titanium diboride, 20% boron nitride and 20% aluminum nitride, while boat A0 is noted to be composed of at least 46% of titanium diboride and 50% boron nitride. These…
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