Poly-L-Lysine Coated Cover Glasses
Poly-L-lysine coated cover glasses made of German borosilicate glass for protein/cell adhesion. The surface treatment does not change their classification as micro cover glasses under tariff item 7017.90.00 as other laboratory glassware.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
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 made of low-expansion glass
Low-expansion glass cover glasses are classified under a specific subheading.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the coating does not make the product an article of another chapter, such as plastics
• Declare as laboratory glassware under 7017.90.00
• Provide certificates of analysis to confirm the borosilicate composition
Related Products under Tariff item 7017.90.00
Borosilicate Evaporating Dish 150ml
Borosilicate evaporating dish, 150ml, for evaporating solvents in analytical chemistry labs. This is other laboratory glassware under tariff item 7017.90.00, not graduated or calibrated.
Borosilicate Glass Beaker 500ml
Borosilicate glass beaker, 500ml, with graduations, used in chemical laboratories for mixing and heating liquids. Despite graduations, it falls under tariff item 7017.90.00 as other laboratory glassware, as it is not calibrated for precise measurement.
Borosilicate Glass Watch Glass 100mm
Borosilicate glass watch glass, 100mm diameter, concave circular cover used in labs to cover beakers or evaporate liquids. This is unspecified laboratory glassware under tariff item 7017.90.00.
Borosilicate Micro Cover Glasses
Borosilicate micro cover glasses, 22x22mm No. 1 thickness, used to cover specimens on microscope slides. They are precision laboratory glassware, not further worked beyond cutting to shape, and fall under tariff item 7017.90.00 as other laboratory glassware.
Borosilicate Test Tube Rack Glass 20ml
Borosilicate glass test tubes, 20ml capacity, for holding samples in biological or chemical labs. These are other laboratory glassware under tariff item 7017.90.00.
Charged Microscope Slides
Charged microscope slides with a positive charge to hold tissue sections without clips. Despite the surface treatment, they remain microscope slides for laboratory use, classified under tariff item 7017.90.00 as other laboratory glassware.