Silicone O-Ring for Medical Device Connectors
Medical-grade silicone (polysiloxane) O-ring sealing tubing connectors in respiratory equipment. HTS 3926.90.4510 applies as plastic seal from heading 3910 silicones. Biocompatible for FDA-regulated devices.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If peroxide-cured silicone rubber
Certain silicone elastomers classified as rubber in 40 if not meeting plastic polymer purity.
If dedicated part of medical syringe or inhaler
Medical instrument parts under 9018 by specific end-use.
If articles for conveyance of liquids if pipe-like
Plastic tubes/pipes in 3923; O-rings as seals stay in 3926.
Not sure which classification is right?
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Import Tips & Compliance
• Include USP Class VI or ISO 10993 biocompatibility certs for medical claims
• Declare exact durometer (e.g
• 70A) for classification verification
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