Natural Rubber Test Tube Stoppers
Cylindrical stoppers of vulcanized natural rubber for sealing laboratory test tubes. HTS 4016.99.35 covers as other natural rubber articles, excluding Chapter 90 labware. Lab sealing function fits residual category.
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Import Tips & Compliance
• Confirm not Chapter 90 optical/measuring lab articles
• Sterilization compatibility documentation
• Size range specs for customs
Related Products under HTS 4016.99.35
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Latex Foam Natural Rubber Floor Mats
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