Magnaflux, 7C Black Visible Magnetic Particles Magnaflux| Magnaflux, 7C Black Visible Magnetic Particles Print Magnaflux| Magnaflux, 7C Black Visible Magnetic Particles Black dry visible magnetic particles powder (to be mixed with Carrier II or water with an additive). If used with water, a conditioning agent such as the WA-2B or the WA-4 is required. Often used in combination with WCP-2 white contrast paint. MG7C-8: Magnavis, 7C black visible powder, 3.6kg (8lb) pail. Request for information
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