1 mm) 100 90 80 70 60 50 40 30 20 10 0 Transmission Curve: Clear Glass T ransmission (% N o rmal i ze d t o 1 mm) 200 300 400 500 600 700 Transmission Wavelength (nm) WATERS GLASS VIALS Waters™ glass vials are made from USP Type I Glass. Glasses in the USP Type I classification are borosilicate glass with superior chemical resistance. This