Precision Natural Rubber Lab Bands
Thin, uniform vulcanized natural rubber bands for laboratory glassware securing, specimen bundling, and medical device assembly. Classified in HTS 4016.99.35.10 as natural rubber bands excluding Chapter 90 articles. Precision sizing ensures contaminant-free performance.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If hard natural rubber versions for lab use
Chapter heading excludes hard rubber from vulcanized rubber articles.
If integral to lab equipment like breathing apparatus parts
Chapter exclusion (e) sends Chapter 90 articles out of Chapter 40.
If prepackaged with medical supplies as kit component
Sold as pharmaceutical article set shifts to Chapter 30 per GRI 3(b).
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Import Tips & Compliance
• For lab/medical end-use, prepare biocompatibility certificates even if not regulated devices to preempt CBP questions
• Specify exact durometer hardness; soft natural rubber distinguishes from hard rubber exclusions
• Avoid pharma packaging presentation which could invoke Chapter 30 medicinal classification
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