Precision Alumina Ceramic Tube for Thermowells from United States
High-precision alumina ceramic tube made from 96% alumina (Al2O3), used for protecting temperature sensors in harsh industrial environments. This refractory fired construction is designed for continuous high-temperature service, qualifying under tariff item 6903.20.00.
Duty Rate — United States → Canada
0%
Import Tips
• Verify the tube's alumina content exceeds 50% by weight and is fired above 800°C
• Provide technical specifications to CBSA for classification
• Check if the tube is considered a refractory good or a part of measuring instruments