Polymer Concrete Manhole Ring from Germany
A composite ring blending >95% polymer resin with aggregates for manhole adjustment, lighter than pure concrete. HTS 3926.90.99.40 includes rings for manholes if plastic-predominant per subheading notes. Provides grade adjustment in utility vaults.
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
• Conduct polymer content analysis to confirm >95% per note (a)(1) for plastic classification
• Include mix design sheets distinguishing from concrete (Chapter 68)
• Test for chemical resistance if exposed to sewage; declare accordingly