Rubber Durometer Calibration Block from China
NIST-traceable test blocks (30A, 50D, 90A Shore scales) for calibrating durometers testing rubber and plastics hardness. They are Micro-ISO 48 compliant and serve as accessories for hardness testers. These calibration blocks fall under tariff item 9024.90.00.
Duty Rate — China → Canada
0%
Import Tips
• Declare the calibration blocks as accessories for durometers, referencing ISO 48 for compliance
• Provide NIST traceability certificates to support the classification
• Ensure the blocks are classified as parts of the testing equipment, not as standalone measurement tools