| 摘要 |
<p>The present invention discloses a method for producing coloured crystals. The method comprises cutting a raw glass in a desired shape and size to form a crystal and applying a paint coating on a back surface of the cut crystal. The paint coating is done with an airbrush. The coating is done once or twice depending on the colour thickness and the appearance of the crystal. The method further comprises applying a secondary coating when the paint coating is dried. The secondary coating comprises a composition of a varnish, a hardener and a thinner in a ratio of 80%, 10% and 10% respectively.</p> |
