| 简介 |
A luminous powder used for brushing a wire, the luminous powder is prepared by the following steps : (a) placing copper powder, chromium powder, scandium powder and iron powder into varnish, uniformly stirring and heating; (b) adding rare earth luminescent powder after heating, and uniformly stirring; (c) cooling the mixture to normal temperature so as to obtain the luminous powder used for brushing the wire. The luminous powder obtained can be effectively coated on the surface of the aluminium wire, and the luminous powder is not easy to fall off and can serves as a warning in the long term. |
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