Vistanex Polyisobutylene HMW from Germany
Vistanex HMW (high molecular weight) polyisobutylene used in asphalt modification and roofing sealants, classified HTS 3902.20.5000 as 'Other' with >95% isobutylene content in slab form. Enhances elasticity and weather resistance in bituminous products.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Provide ash content and softening point analysis; declare slab dimensions to confirm primary form; test for oxidative stability affecting end use claims