American Borosilicate Clear Cullet 50LBS

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Item Name: American Borosilicate Clear Cullet 50LBS SKU: CULLET-AMERICAN Description: American Borosilicate Clear Cullet is clear borosilicate glass sold as cullet and packaged in a 50lb box. Cullet is broken, furnace-ready glass that lets you charge a crucible or pot efficiently without the long warm-up time and uneven heating you can get when starting from large chunks or solid stock. In a production shop, clear boro cullet is a practical way to keep a clean, consistent base glass on hand for pulling cane, making tubing preforms, casting, or building up gathers for hot shop work where you want clarity and predictable working characteristics. How it is used: In a hot shop or furnace setup, this cullet is used as charge material. You load the cullet into a crucible or pot, bring it up through a controlled heat schedule, and melt it into a working pool of clear borosilicate. Once molten, you can gather directly for forming, or use it as base glass for pulling and forming operations. In scientific and lampworking environments, cullet is also commonly used when you need bulk clear boro feedstock for making preforms or for processes where the glass will be remelted and worked further rather than used as rod or tube straight out of the box. Show more