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In Reply to: RE: CMC CMC-6005-CU-R Bare Copper Spade posted by Duster on June 16, 2017 at 00:00:50
I bent the inner clamping platform outwards in order to fit my soldering iron between the folds. Definitely pure copper, not brass.
The high amount of concentrated heat from the soldering iron tip required to make proper solder joints is also a clear indicator of being a pure copper connector. Pre-tinning both the connector and the conductor is fully recommended.
Otherwise, the high-mass copper connector is designed for an excellent crimp termination, soldering, or both.
Only real test you need.
Copper + Zinc = Brass
Copper + Tin = Bronze
Copper, zinc, and tin are non-ferrous metals, so testing with a magnet won't indicate anything about the metallurgy unless iron or nickel is involved.
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