Battery Separator Pressboard from Mexico
Microporous pressboard sheets 155 g/m² uncoated, compressed for lead-acid battery separators. Falls under HTS 4805.92.20.00 as pressboard 150-225 g/m², not further worked. High purity cellulose construction.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide purity certificates (<50 ppm impurities) for battery grade verification
• Test porosity separately; functional claims don't affect base classification
• Sheets cut to battery dimensions risk 4823 if considered finished articles