Materials Research Group - Preforms, Powders, and Rings
Materials Research Group - Preforms, Powders, and Rings pressed glass, pressed glass preform, glass preform, glass to metal sealing, glass, glass powder, hermetic sealing, manufacturing, solder glass ring Materials Research Group, Inc. is a glass manufacturer specializing in the supply of top-quality, ready-to-press glass powders, glass preforms, and solder glass rings. With three …