Sitemap — HS 35 Sitemap → HS Codes → 35 HS headings (4-digit): 3501 – Casein and casein-based products 3502 – Albumins and albumin derivatives 3503 – Gelatin and animal glues 3504 – Protein-based products and derivatives 3505 – Modified starches and starch-based glues 3506 – Prepared glues and adhesives for retail sale 3507 – Prepared enzymes for various uses