| 摘要 |
The ceramic coating method of spectacles frame comprises (a) making a ceramic coating agent by mixing 18-25 wt.% silicate, 1-5 wt.% a metallic oxide based binder and a coloring agent, and 70-79 wt.% isopropyl alcohol, (b) degreasing glasses frame, immersing in nitric acid, and washing with distilled water and methyl alcohol, (c) dipping the frame into a coating agent for 15-20 sec., (d) preheating the coated frame at 80 deg.C for 10 min., leaving at the room temperature for 10 min., and heating at 150-200 deg.C for 30 min.
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