Cork Test Tube Stopper
Small-sized natural cork stoppers for sealing glass test tubes in medical and educational labs. Classified as other under HTS 4503.10.60.00 due to its stopper function from natural cork.
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Alternative Classifications
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Import Tips & Compliance
• Comply with USP Class VI standards for biocompatibility if medical-grade
• Size-match declarations prevent mismatches with glassware partners
• Sterilization certificates aid FDA entry for lab consumables
Related Products under HTS 4503.10.60.00
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