Borofloat® 33


borofloat optical transmissionBOROFLOAT® 33 – the world’s first floated borosil­i­cate glass. Its reliable and consistent quality, coupled with an outstanding versatility to address the demands of the most sophisticated applications, make BOROFLOAT® a perfect specialty glass solution.

It combines superior quality and excellent flatness with outstanding thermal, optical, chemical and mechanical features. The chemical composition and physical properties of BOROFLOAT® 33 are in accordance with DIN ISO 3585 and EN 1748 T1.


  • Outstanding thermal resistance

  • Exceptionally high transparency
  • High chemical durability
  • Excellent mechanical strength
  • Great homogeneity
  • High resistance to abrasives
  • High ultraviolet (UV) transmission

Manufacture Reports and Reference

BOROFLOAT® 33 Borosilicate glass overview
BOROFLOAT® 33 Data Sheet
BOROFLOAT® 33 Glass Substrates Material Safety Data Sheet (MSDS)
BOROFLOAT® 33 Restriction of Hazardous Substances (RoHS)
BOROFLOAT® 33 Registration, Evaluation, Authorization and Restriction of Chemicals (REACH)