Silica Quartz Oxidation Boat Holder from Japan
A fused silica holder for wafer boats inserted into oxidation furnaces to grow oxide layers on semiconductor wafers. Engineered for thermal stability and minimal contamination in high-temperature environments. Falls under HTS 7017.10.30.00 due to its fused quartz construction and specific semiconductor furnace application.
Duty Rate — Japan → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Provide engineering drawings showing furnace insertion design and wafer compatibility to support specific HTS classification
• Ensure supplier declarations confirm fused silica material per Chapter 70 fused quartz definition
• Avoid misclassification by distinguishing from general lab ware; include process flow documentation