C10300 Oxygen-Free Low Phosphorus Copper Slabs from Mexico
Refined copper slabs with minimal phosphorus and oxygen for superior conductivity applications. Under HTS 7403.19.00.00 as unwrought refined copper forms other than the highest purity grade.
Duty Rate — Mexico → United States
1%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Require electrical conductivity test results (>100% IACS) for verification
• Use protective coverings to prevent slab surface working during shipping
• Batch testing for trace elements prevents alloy misclassification