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online businessCopper Oxide (Black Powder), technical grade high density
Apprearance : Brownish-black powder
Particle size : Retain on 200 mesh 5-6% max
: Retain on 325 mesh 10-15% max
Purity as CuO : 97% min
Origin : Thailand
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Wechat：chinadongmeng123
Telephone：0086-021-63158066 |
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