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Borosilicate Glass Watch Glass 100mm

Concave circular borosilicate glass cover, 100mm diameter, used in labs to cover beakers or evaporate liquids. HTS 7017.90.50.00 covers this as unspecified laboratory glassware.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
šŸ‡ØšŸ‡³China6.7%+37.5%44.2%
šŸ‡²šŸ‡½Mexico6.7%+10.0%16.7%
šŸ‡ØšŸ‡¦Canada6.7%+10.0%16.7%
šŸ‡©šŸ‡ŖGermanyFree+10.0%10%
šŸ‡ÆšŸ‡µJapanFree+12.5%12.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

7013.91.50Lower: 26% vs 44.2%

If sold for kitchen or general household evaporation

Non-lab glass dishes of glass classify under 7013.

7020.00Lower: 17.5% vs 44.2%

If quartz-based for high-temperature lab use

Fused silica lab articles move to 7020.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Label clearly as lab equipment; common error is household glass under 7013

• Ship in protective packaging to prevent breakage claims at customs

• Document heat resistance for borosilicate verification