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SITCSection 6
U.S. imports of uncoated kraft paper & paperboard, not elsewhere specified, not over 150 g/m² (SITC 64146) totaled $19.2M in April 2026, traded with 32 countries.
Importers of Uncoated Kraft Paper & Paperboard, Not Elsewhere Specified, Not Over 150 g/m² paid $876K in duties in April 2026 — an effective duty rate of 11% on $8.3M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataWeight-banded at 150 g/m² or below, this lighter segment of uncoated NES kraft paper and paperboard occupies the boundary between flexible paper and rigid board — grades in this range are commonly used for bag liners, wrapping tissue, and lightweight converting applications. The gram-per-square-meter ceiling is the operative classification criterion, so basis-weight certification from the mill is a routine part of customs documentation for this heading. Lighter kraft grades in this band may also serve as substrates for subsequent coating or laminating operations downstream.
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The SITC schedule uses grammage bands to separate kraft paper and paperboard into distinct headings. Product weighing 150 g/m² or less falls under 64146, while heavier grades fall into 64147 or 64148. Mill-certified basis-weight test reports are typically required at entry to confirm which band applies, and misclassification between bands can result in duty discrepancies.
Lightweight uncoated kraft in this grammage range is frequently used as a base sheet for wax or polyethylene extrusion coating, as interleaving material in metal or glass manufacturing, and as inner plies in multiwall sack construction. Its relatively low weight keeps converting costs down while still providing the tensile strength associated with kraft pulp.
Monthly import values over time
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