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Borosilicate Glass Watch Glass 100mm from China

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.

Duty Rate — China → United States

44.2%

Rate breakdown

9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

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