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.
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 fused quartz or other fused silica
Fused silica glassware is classified separately under heading 70.17.
If made of glass having a linear coefficient of expansion not exceeding 5 x 10^-6 per Kelvin within a temperature range of 0°C to 300°C
Special glass types with low expansion 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 cover glasses are not optically worked or part of Chapter 90 instruments, as that would change classification
• Declare as laboratory glassware under 7017.90.00 and keep invoices showing borosilicate composition
• Verify if any excise duty applies if packaged with alcohol or tobacco, per statistical note
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 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.
Clip-On Microscope Slide Holders
Clip-on microscope slide holders, specifically 76x26mm slides with a built-in clip feature. These innovative glass slides are designed for laboratory microscopy and fall under tariff item 7017.90.00 as other laboratory glassware.