Available in custom sizes to fit your specifications. Choose from:

• Plain Borosilicate (Clear): For temps up to 446F (230C); 1/4" or thicker recommended. Max 150F temperature differential.
• Tempered Borosilicate (Clear): Withstands up to 500F (260C); ideal for higher pressure. Not for corrosive or rapidly changing environments.
• Cobalt Blue Furnace Glass (Blue): Reduces glare for viewing flame, smoke, and ash in boilers. Up to 1/4" thick. Cobalt Blue Vicor discontinued.
• Fused Quartz (Clear): Continuous use up to 1742F (950C); standard commercial grade, optical grade on request.

Pricing Notes:

• Sizes under 144 sq. in. priced at next larger size.
• Ground edge pricing available for 1/16" - 1/4" thick glass.
• $25.00 order minimum.

• Borosilicate Spec Sheet.pdf
• Cobalt Blue Spec Sheet.pdf
• Fused Quartz Data Sheet.pdf