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Poly(Vinyl Butyral) Safety Glass Interlayer Film from Germany

Transparent noncellular film made of poly(vinyl butyral) used as the interlayer in laminated safety glass for automotive windshields and architectural glazing. It adheres to glass layers under heat and pressure, absorbing impact energy to prevent shattering. Classified under HTS 3920.91.00.00 as it is a plate, sheet, film of poly(vinyl butyral) that is noncellular and not reinforced or combined with other materials.

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

Verify polymer composition meets 95% poly(vinyl butyral) content per subheading note (a)(1) via lab testing certificates

Provide safety data sheets confirming noncellular structure and absence of reinforcement or lamination

Avoid misclassification as finished glass by importing film in rolls or sheets prior to assembly