Downey Glass Industries is an PPG authorized distributor & fabricator of Starphire Glass. We stock the Starphire Glass in the following thickness's: 3/16", 1/4", 3/8", 1/2" & 3/4". Starphire Glass Is the clearest glass on the market. Starphire Glass is used for all sorts of glass solutions such as: table tops, shelving, frameless shower doors, partitions, railings to name a few. Downey Glass Industries can also temper Starphire Glass.