Borosilicate Micro Cover Glasses
Thin 22x22mm No. 1 borosilicate cover glasses used to cover specimens on microscope slides. They are precision glassware for laboratories, classified 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 quartz or fused silica glassware is classified under a different subheading.
If made of glass with a coefficient of expansion not exceeding 5 x 10^-6 per Kelvin within a temperature range of 0°C to 300°C
Glass with a low coefficient of expansion falls 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 clearly described as laboratory glassware on the commercial invoice
• Verify the glass composition (borosilicate) to avoid misclassification
• Keep records of the end-use to support the tariff classification if questioned by CBSA
Related Products under Tariff item 7017.90.00
Borosilicate Evaporating Dish 150ml
Porcelain-like borosilicate dish, 150ml, for evaporating solvents in analytical chemistry labs. It falls under tariff item 7017.90.00 as other laboratory glassware.
Borosilicate Glass Beaker 500ml
A heat-resistant borosilicate glass beaker with 500ml capacity and graduations, used in chemical laboratories for mixing and heating liquids. It falls under tariff item 7017.90.00 as laboratory glassware that is not graduated.
Borosilicate Glass Watch Glass 100mm
Concave circular borosilicate glass cover, 100mm diameter, used in labs to cover beakers or evaporate liquids. It falls under tariff item 7017.90.00 as unspecified laboratory glassware.
Borosilicate Test Tube Rack Glass 20ml
Durable borosilicate glass test tubes, 20ml capacity, for holding samples in biological or chemical labs. They fall under tariff item 7017.90.00 as other laboratory glassware.
Charged Microscope Slides
Adhesion-treated glass slides with positive charge to hold tissue sections without clips. Despite surface treatment, they remain microscope slides under tariff item 7017.90.00 for lab use.
Clip-On Microscope Slide Holders
76x26mm Clip-Riteâ„¢ slides with built-in clip feature. Innovative glass slides classified under tariff item 7017.90.00 as microscope slides.