Felt paper and paperboard
Other uncoated paper and paperboard, in rolls or sheets, not further worked or processed than as specified in Note 3 to this Chapter. > Testliner (recycled liner board): > Felt paper and paperboard > Felt paper and paperboard
Duty Rate (from China)
Subheadings
Products classified under Tariff item 4805.50
Acoustic Ceiling Tile Felt Paper
Acoustic ceiling tile felt paper is a felted paperboard base layer used in the production of acoustic ceiling tiles. Its fibrous structure and density (300-500 g/m²) provide sound absorption properties before any final surfacing is applied. It is classified under tariff item 4805.50.00 as uncoated felt paperboard in sheets, not further worked than specified in Chapter Note 3.
4805.50.00Asphalt Saturated Felt Paperboard
Asphalt saturated felt paperboard is a dense felt paperboard that has been saturated with asphalt, primarily used as underlayment in roofing applications for waterproofing and protection. Although it is felt paperboard, the asphalt saturation is a form of impregnation that may affect classification. It is considered under tariff item 4805.50.00 as uncoated felt paperboard, but the saturation may push it to a different heading.
4805.50.00Bookbinding Grayboard Felt
Bookbinding grayboard felt is a recycled fiber felt paperboard, gray in color, used as rigid covers and spines in bookbinding. It is typically 800-1200 g/m² and is uncoated, fitting the description of felt paperboard under tariff item 4805.50.00. The product is not further worked beyond being cut to sheets.
4805.50.00Gasket Felt Paper Sheets
Gasket felt paper sheets are compressed felt paper sheets cut for manufacturing flat gaskets in automotive and machinery seals. They are uncoated and not further worked beyond cutting, with basis weights of 200-600 g/m². This product falls under tariff item 4805.50.00 as felt paperboard in sheets.
4805.50.00Insulating Felt Paperboard
Insulating felt paperboard is a low-density felt paperboard designed for thermal and acoustic insulation in building walls and machinery. It features interlaced fibers for air-trapping properties, and is uncoated. This product is classified under tariff item 4805.50.00 as uncoated felt paperboard in sheets or rolls.
4805.50.00Millboard Felt Paper
Millboard felt paper is a thick, dense felted paperboard known as millboard, used for insulating panels, bookbinding, and gaskets. It is produced by felting wood or rag fibers and is uncoated. This product falls under tariff item 4805.50.00 as uncoated felt paperboard in sheets or rolls.
4805.50.00Rag Felt Paperboard
Rag felt paperboard is a traditional felt paperboard made from cotton rag fibers, used for artists' supports and premium gaskets. It is uncoated and prized for its purity and texture. This product is classified under tariff item 4805.50.00 as specialty uncoated felt paperboard sheets.
4805.50.00Roofing Tar Paper Felt
Roofing tar paper felt is a heavyweight felt paper impregnated with tar or bitumen for use as a moisture barrier in roofing systems under shingles. Although it is felt paper, the tar impregnation is a significant treatment. It may fall under tariff item 4805.50.00 as uncoated felt paper, but the impregnation could exclude it from Chapter 48.