C-glass Mechanically Bonded Mat for Corrosion Resistance from Mexico
C-glass (corrosion-resistant) fibers formed into mechanically bonded mats for chemical tanks and pipes in FRP. HTS 7019.14.00.00 includes all glass fiber types in mechanical mats, per fused silica/glass definition. Higher cost but superior to E-glass in harsh environments.
Duty Rate — Mexico → United States
14.3%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Specify C-glass composition (higher CaO) in lab reports for valuation
• REACH-like compliance for EU-origin fibers if transshipping
• Customs may request end-use verification for hazardous material permits