Zinc Powder for Sintered Bronze Bearings
Fine zinc powder blended with copper for producing sintered bronze bearings and bushings. HTS 7903.90.30.00 applies to the pure zinc powder component before metallurgical mixing.
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 alloy powders
Pre-alloyed Cu-Zn powders classify under copper Chapter 74.
If imported as complete bearing sets
Machinery parts including sintered bearings shift to functional headings.
If non-metal bearings containing zinc powder
Carbon/porcelain bearings with metal powders classify under Chapter 68.
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Import Tips & Compliance
• Specify 'for powder metallurgy use' and provide sintering profile compatibility data
• Maintain separate packaging from copper powders to preserve individual classification
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