Lard-Based Metalworking Fluid Additive from Mexico
Animal lard blended with emulsifiers for addition to water-based metalworking coolants. Provides lubricity and rust inhibition in machining operations. HTS 3824.99.4190 covers this as mixed fatty substances of animal origin.
Duty Rate — Mexico → United States
14.6%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide end-use statements confirming coolant additive role to distinguish from bulk animal fats
• Biodegradability claims require supporting test data for green chemistry import preferences
• Avoid misclassification as Chapter 15 by documenting >20% non-fatty chemical additives