Wholesale U Glass U-shaped glass is a novel architectural profile glass with a history of nearly 40 years of production and application abroad. Because the section is U-shaped, it has higher mechanical strength than ordinary flat glass, ideal light transmittance, better Sound insulation, thermal insulation, can save a lot of metal materials, and easy construction. Description Sandblasted & Acid-etched U glass Low iron 7mm frosted U Profile glass鈥?gets its soft, velvety, milky look from the defined, sandblasted (or acid-http://www.uglass.online/u-glass/