Seamless Refined Copper Vacuum Line Tubing
Seamless tubing of refined copper for high-vacuum systems in laboratories and semiconductors. Under HTS 7411.10.10.90 for other seamless refined copper tubes, valued for low outgassing. Not profiled or heat exchanger dedicated.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If copper-zinc (brass) alloy construction
Alloy tubes per subheading note (a) fall under 7411.82.
If parts of vacuum pumps/apparatus
Dedicated apparatus parts classify by function in Chapter 84.
If aluminum vacuum tubing
Same function but aluminum material shifts to Chapter 76.
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Import Tips & Compliance
• Provide vacuum rating specs to distinguish from general tubing
• Ensure 'refined' certification; alloyed versions reclassify
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