Borosilicate Glass Labware Cullet from Canada
Crushed rejects from Pyrex-style lab beakers and tubes, high-silica content glass scrap. HTS 7001.00.51.00 captures this as other glass in mass, valued for thermal resistance in remelt.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Certify SiO2 >80% for borosilicate; distinguishes from soda-lime duties
• Avoid mixing with container glass; thermal expansion mismatch ruins batches
• Biohazard protocols if from lab discard; sterilization docs mandatory