Wacker Vinnapas 555 EN Redispersible Terpolymer Powder from Mexico
Wacker Vinnapas 555 EN is a spray-dried powder from vinyl acetate-vinyl chloride-ethylene terpolymers with vinyl acetate derivatives below 50% and no aromatic modification. Ideal for tile adhesives and repair mortars. Meets HTS 3904.30.20.00 as a named terpolymer in primary dispersible form.
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
• Include technical data sheets confirming terpolymer ratios and spray-drying process
• Avoid declaring as finished adhesive
• Pitfall: confusion with vinyl acetate-heavy copolymers in 'other' categories