SCHOTT SUPREMAX® 33 is a rolled borosilicate glass available in sheet form with a chemical composition identical to SCHOTT’s floated borosilicate glass BOROFLOAT® 33.
The outstanding physical and chemical properties of SUPREMAX® 33 offer the benefits of low thermal expansion, high thermal resistance, excellent light transmission and impressive chemical durability. SUPREMAX® 33 is also a low density glass that is 12 % lighter than soda lime glass. This, in combination with the availability of a broad thickness range, makes SUPREMAX® 33 a highly versatile material suitable for an unlimited array of applications.
SUPREMAX® 33 is a borosilicate glass type 3.3 as specified in the international standard ISO 3585. The quality of SUPREMAX® 33 is guaranteed by our ISO 9001 certified quality assurance system.
SUPREMAX® 33 is environmentally friendly and made of nonhazardous inorganic and natural raw materials. The glass can be recycled several times and disposed of without difficulties.
Sheet Sizes and Tolerances
Standard Sheet size
- Gross Dimensions in mm (inch):
- Net Dimensions in mm (inch):
- 1,200 x 1,500 (47.24 x 59.06)
- 1,000 x 1,500 (39.37 x 59.06)
Available Thicknesses
- Thicknesses in mm (inch)
- 28.60 (1 1/8)
- 31.75 (1 1/4)
- 34.90 (1 3/8)
- 41.30 (1 5/8)
- 47.60 (1 7/8)
- 57.20 (2 1/4)
- Tolerances in mm (inch)
- ± 1.0 (± 0.040)
- ± 1.0 (± 0.040)
- ± 1.6 (± 0.064)
- ± 1.6 (± 0.064)
- ± 3.2 (± 1.125)
- ± 6.4 (± 0.250)
SUPREMAX® 33 rolled borosilicate glass can be cut to size within the standard sizes.