Laser Gauge Dust Shield Window from United States
A sapphire or fused silica protective window for laser micrometer optical heads, preventing contamination while maintaining beam transmission. The anti-reflective coating ensures measurement accuracy. This product is classified as a protective part of optical measuring instruments under 9031.90.90.
Duty Rate — United States → Canada
0%
Import Tips
• Classify as a part of a measuring instrument, not as a mounted optical element of heading 9001 or 9002
• Provide technical specifications showing the anti-reflective coating and specific design for laser micrometers
• Check if the sapphire or fused silica material affects any other tariff classification