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From the
Ground, Up

We supply tightly controlled, production-ready powders and cullets that help manufacturers start strong; whether for pressing, melting, or forming green bodies.

Ready-to-Press Glass Powder

Milled, blended, and sieved for compaction and flow, our glass powders press cleanly into complex preforms. With optimized grain structure and binders, they seal tight, sinter clean, and hold their shape.

Custom compositions are available and ready to use with no additional prep.

Glass Cullets

Cleaned for purity and available in multiple chemistries and sizes, our cullets melt smoothly and reduce bubbles. Their irregular shard shape supports better clarity and glass-to-metal sealing.

Options include alumina and Zyodis oxide blends, screened and washed for consistency.

Spray-Dried Ceramic Powder

Our ceramic powders are spray-dried for flow and uniform pressing. Used for green billets and bodies, they offer dense, defect-free sintering. Consistent particles support multi-cavity tooling and tight-tolerance pressing.

Materials include alumina and other oxide ceramics.

Put it together with GBC

From raw cullets to press-ready powders, GBC delivers materials that are clean, consistent, and engineered to perform.

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