8 1/2" Round Flat Borosilicate Glass
Borosilicate glass is a very clear glass. It does not have the green tint like soda lime glass. Borosilicate glass is heat resistant. It can be used very close to a light bulb without breaking. The heat generated by 3D Printer will not crack this glass. Laboratories can use the borosilicate glass for many different lab tests involving heat.