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Momentive Performance Materials

Manufacturer of quartz tubing/rod/solid quartz materials GE124, 144, 214, 224, 244, 219, I21, HDO, AA Grade, 021, 012, 219

    Heraeus Quartz America

    Manufacturer of quartz tubing/rod/solid materials/porous discs/wool HSQ100, HSQ300, HSQ700, OM100, Supersil synthetic materials, TSC materials

      QSIL Corporation

      Manufacturer of quartz tubing PH300

        Tosoh SMG

        Manufacturer of quartz solid materials OP1, OP3, OP3HD, N,S