Glass Frosting Powder without Fingerprint

Taking hydrochloric acid as its medium, the powder mainly aims at the manufacture of flat glass, glassworks include tea sets, wine sets, lampshades, arts and crafts. The effect of the etched product is that the relative big powder grains distribute on its surface symmetrically with no fingerprint when touch it and the indistinct luster under light. Pictures behind the etched product can be seen obscurely with clear textures.