Tarred Heavy-Duty Sack Liner Paper
Tarred heavy-duty sack liner paper is bituminized kraft liner for industrial bulk bags holding chemicals or fertilizers. HTS 4811.10.21.00 for 'other' tarred paper in rolls/sheets, providing greaseproofing via impregnation, not in excluded headings.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If uncoated sack kraft meeting exact specs
Without bitumen, it's plain sack kraft in 4804.21.
If formed into complete liner bags
Assembled paper bags with liners classify as bags in 4819.
If plastic bag liners with minor paper
PET/PE liners with tar paper are primarily plastics Chapter 39.
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Import Tips & Compliance
• Meet sack kraft specs (60-115 g/m², burst index) or risks 4804 reclass
• Declare industrial end-use to avoid consumer packaging shifts
Related Products under HTS 4811.10.21.00
Tarred Asphalt Roofing Felt
Tarred asphalt roofing felt is a heavy-duty paper impregnated with asphalt or tar, supplied in rolls for use as an underlayment in roofing applications. It falls under HTS 4811.10.21.00 as 'other' tarred or bituminized paper in rolls, distinct from goods in headings 4803, 4809, or 4810, due to its surface impregnation with bituminous substances for weatherproofing.
Bituminized Waterproofing Paper Roll
Bituminized waterproofing paper is asphalt-impregnated kraft paper in rolls, used for damp-proofing foundations and walls. Classified under HTS 4811.10.21.00 for 'other' tarred, bituminized, or asphalted paperboard in rolls or sheets, as it features surface impregnation excluding it from headings 4803, 4809, or 4810.
Asphalt-Impregnated Building Paper
Asphalt-impregnated building paper, often called #15 or #30 felt, is tar-saturated paper in rolls for construction sheathing and weather barriers. It qualifies for HTS 4811.10.21.00 as 'other' asphalted paper in rolls, impregnated to provide moisture resistance, outside the scope of 4803, 4809, or 4810.
Tarred Kraft Envelope Liner Paper
Tarred kraft envelope liner paper is bituminized kraft in sheets or rolls, used as waterproof liners inside heavy-duty mailing envelopes. Under HTS 4811.10.21.00 for 'other' tarred paper, it features surface bituminization for grease/moisture resistance, not covered by 4803, 4809, or 4810.
Bitumen-Coated Damp-Proof Course Sheet
Bitumen-coated damp-proof course sheets are asphalted paperboard sheets used in masonry to prevent rising damp in walls. HTS 4811.10.21.00 covers these as 'other' bituminized paperboard in rectangular sheets, impregnated for impermeability, excluding 4803/4809/4810 goods.
Asphalt Saturated #30 Roofing Paper
#30 asphalt saturated roofing paper is medium-weight tar-impregnated felt in rolls, standard for shingle underlayment. It is classified in HTS 4811.10.21.00 as 'other' asphalted paper, featuring full bitumen saturation for roofing durability, not in 4803, 4809, or 4810.