Borosilicate Glass Serum Bottle Ground Plug
High-grade borosilicate glass bottle with ground plug for thermal-stable cosmetic serums (toilet preps). Chapter covers fused silica/quartz as glass; HTS 7010.90.30 for ground stopper toilet containers. Borosilicate resists thermal shock.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as glass sheet before forming
Unworked tubes/sheets precede finished containers in chapter order.
If for lab thermal testing
Scientific borosilicate labware has dedicated heading.
If ceramic lab equivalent
Lab porcelain crucibles/flasks under ceramics chapter.
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Import Tips & Compliance
• Specify borosilicate composition (SiO2 >60%) per chapter note in material certs
• Distinguish from pharma via 'cosmetic serum' end-use statements
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