Porcelain Crucible for Laboratory Use from Japan
A high-fired porcelain crucible designed for melting and heating substances in laboratory settings, featuring excellent thermal shock resistance and chemical inertness. It falls under HTS 6909.19.50 as a ceramic ware specifically for laboratory technical uses, made from porcelain with low water absorption. The firing process exceeds 800°C, qualifying it for Chapter 69.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify firing temperature certification to confirm Chapter 69 eligibility and avoid exclusion under note (b)
• Provide lab end-use documentation to support technical classification over general tableware
• Test water absorption per ASTM C373 to distinguish porcelain from earthenware if challenged