Slag wool, rock wool and similar mineral wools (including intermixtures thereof), in bulk, sheets or rolls
N226658 · 2012-09-24 — The tariff classification of rock wool from the Netherlands and Poland
” You submitted samples of these items with your ruling request. These samples were sent to our Customs and Border Protection Laboratory for analysis. Our laboratory has now completed its analysis. Each of these items is in rectangular form and consists of yellow fibrous material. In your letter you stated that each of these articles consists of rock wool. Analysis of the samples by our laboratory confirms that they consist of rock wool. In your letter you indicated that the products will be imported in dimensions of six inches by thirty-six inches and eight inches by thirty-six inches. Our…
N226655 · 2012-09-23 — The tariff classification of rock wool from the Netherlands and Poland
” You submitted samples of these items with your ruling request. These samples were sent to our Customs and Border Protection Laboratory for analysis. Our laboratory has now completed its analysis. Each of these items is in rectangular form and consists of yellow fibrous material. In your letter you stated that each of these articles consists of rock wool. Analysis of the samples by our laboratory confirms that they consist of rock wool. In your letter you indicated that the products will be imported in dimensions of eight inches by forty inches, five inches by forty-eight inches, five inches…
N183183 · 2011-11-14 — The tariff classification of a ceramic fiber blanket from China
The samples were sent to our Customs and Border Protection laboratory for analysis. Our laboratory has now completed its analysis. The material submitted with your letter indicated that these products will be used as insulating materials in industrial furnaces, heaters, the inside walls of high temperature tubes, electrical power furnaces, nuclear power stations and other applications. They will also be used as liners in high temperature reaction equipment in the chemical industry. In addition, the blankets will be used for fire proofing and heat insulation in tall buildings. Our laboratory…
N125656 · 2010-12-13 — The tariff classification of an article of insulating mineral materials
” You stated that this product consists of ceramic fiber (mineral wool) pads encapsulated in one-inch woven textile squares covered with an outer cladding of stainless steel. Your letter indicates that the item will be used in a gas turbine engine to protect the rear turbine support hub from excessive heat produced by the turbine. A sample was submitted with your ruling request. The sample was submitted to our Customs and Border Protection Laboratory for analysis. Our laboratory has now completed its analysis. Our laboratory has verified that the insulating material (padding) in this product…
967475 · 2006-05-19 — Decision on Application for Further Review of Protest No. 3501-04-100039; Classification of a certain 3M( Interam( mat mount and materials used to manufacture certain models of 3M( Interam( mat mounts
This is a decision on the Application for Further Review (“AFR”) of Protest Number 3501-04-100039, timely filed with the Bureau of Customs and Border Protection (“CBP”) by 3M Company (“3M” or “protestant”), concerning the classification under the Harmonized Tariff Schedule of the United States Annotated (“HTSUSA”) of a certain model of 3M( Interam( mat mount imported in finished form, and eight certain types of materials imported in roll form, that will be used to manufacture eight other certain models of 3M( Interam( mat mounts. As discussed further below, 3M( Interam( mat mounts are used in…
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