B 270® i Ultra-White Glass


SCHOTT offers B 270® i crown glass in sheet glass form to meet a wide variety of market demands; it is especially suitable for biotech applications. SCHOTT manufactures B 270® i glass using a special up-draw process developed by SCHOTT.

B 270® i is highly resistant to solar radiation and offers high transmittance in the visible wavelength range. It also has a fire-polished surface and offers high chemical stability.


  • High transmittance
  • Cost-efficient processing due to wide range of thicknesses
  • Cost-efficient process monitoring
  • High stability when subjected to solar radiation
  • Low acoustic attenuation of surface acoustic waves (SAW)
  • Crystal-like appearance
  • Fusible with the appropriate glasses
  • Fire-polished surface for use without polishing


The crown glass is available in a wide range of thicknesses and various in-stock formats. Customized formats (e.g. rounds) and processing are available upon request.

B 270® i is available in a thickness range of 0.9 mm – 10.0 mm.

Manufacture Reports and Reference

Schott B 270 i  Manufacture Overview
Schott B 270 i Data Sheet