ST-102 quartz glass frosting powder can easily frost quartz glass at room temperature without any heating requirement Characteristics: fast frosting rate, refined frosted appearance, stable results, high output, simple operation and environment-friendly type; Applied for: quartz glass, such as halogen bulb, heating tube, and tungsten lamp; Frosting time: 10-30 minutes at 10-35 degree centigrade; Output: 1 kg powder can frost 8-10 square meters; Operation: well mixed with industry grade hydrochloric acid (>=31 %), and the weight ratio of powder to HCl is 1:0.3; Package: 25 kg/plastic bag; Validity: above 2 years; Storage: tightly closed when not in use, and store in a cool and dry location.