Interpolymer VX550F Terpolymer for Footwear Soles
VX550F is a specialty terpolymer of vinyl acetate (<50%), vinyl chloride, and ethylene in granular form for compounding into shoe soling and conveyor belts. Meets HTS 3901.30.20.00 with exact monomer limits and no aromatic derivation. Enhances abrasion resistance in rubber blends.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If vinyl chloride-vinyl acetate copolymer without ethylene
Absence of ethylene changes to specific VC-VA copolymers in 3904.30.
If silicone-modified variant
Silicones head 3910, overriding polymer classification.
If processed into finished articles
Completed products like soling sheets classify as 'other articles' in 3926.
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Import Tips & Compliance
• Ensure granules are uncompounded primary polymer; document for end-use in plastics/rubber
• Avoid misdeclaring as masterbatch
• Issue: high VC content may trigger 3904 scrutiny
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