Ordinary Glass Frosting powder
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Detail Information:
Common Glass Frosting Powder ST-101 can frost Sodium-Calcium-Silicon glass such as lamp glass, flat glass, bottles, arts glass... ST-101 is based on industrial grade Hydrochloric Acid. It is a new type environment-friendly powder that allows a better recycling . Stable and easy to use the powder makes your glass appears softer and white. Frosting Operation >> Preparation of the Frosting Solution ·Mature the Frosting solution at least 24 hours before use． ·The ratio of powder ST-101 to Hydrochloric Acid 　(≥31) is 1:0.50 ． ·Keep the powder in a plastic container, slowly pour Hydrochloric 　 Acid in, and keep stirring the solution evenly. Finally, cover 　 the container. ·Keep maturation over 24 hours before use (The longer, the better) ·The newly-prepared solution is too thick, and its temperature 　will fall down slowly, so don"t apply it until it comes back to 　be normal in temperature and thickness. Frosting Operation >>Frosting Process ·Constantly stir the matured solution to be even completely ． ·Dip the clean glass wares into the solution for 20-40 seconds ． · Take out the etched glass to drop for 10-20 seconds ． ·In the beginning, the solution is fairly thick. However the 　etching time should be longer when the solution becomes less 　thick　after etching for some time ．　 ·The frosting time varies with the temperature and chemical 　compositions． ·For dirty glass, use 15 Hydrochloric Acid to wash． Frosting Operation >>Wash Process & Dry 　· Rinse and wash the frosted glass wares under the running water · Dip the glass into the 5-10 diluted Hydrochloric Acid for 20-60 　seconds to make brasive parparticles on the glass easy to 　remove ． ·Rinse and wash the glass again under the running water 　and dry it with air for package． Etching Operation >>Treatment of Waste Water · Neutralize waste water by lime stone to PH=7-9 ． ·Let off the waste water after filtrating the dreg out of it ． Etching Operation >>Refills To keep the etching solution available longer, the following approaches can be adopted: 　·Add the 1:0.50 matured solution to the solution in which there 　is no more pre-treatment solution mixed ． · If more pre-treatment solution has been mixed with the solution, 　You can add matured thick solution to it (The Ratio of the 　powder to Hydrochloric Acid=1:0.30-1:0.40) ． ·Check out if the solution is still effective by comparing 　its proportion. The regular solution is in the proportion of 　1.36-1.37 at indoor temperature ． Etching Operation >>Cautions ·The maturing time of the solution relates to the temperature. 　The best time is ranged from 2 to 5 days. ·During etching, the workers should wear eyes-safety glasses and 　rubber gloves ． ·If the eyes touched the liquid, please wash with the clean 　water immediately. ·With a density of 1.14, 31 industrial grade Hydrochloric 　Acid will make frosting available longer , leading to a 　larger yield.