Acheson DAG 222 Colloidal Graphite from Mexico
Acheson DAG 222 is an isopropanol colloidal graphite for glass-to-metal seal lubricant in vacuum tube manufacturing. Classic HTS 3801.20.00.00 product as semi-colloidal graphite preparation. Prevents galling during high-temperature sealing operations.
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
• Historical product data supports consistent classification; alcohol content documentation; glass industry end-use certificates aid verification