Borosilicate Glass

Borosilicate 3.3 Flat Glass Sheet

Borosilicate 3.3 floated flat glass sheet is a heat resistant Pyrex glass sheet, which is equivalent with Schott's Borofloat.

Borosilicate 3.3 floated glass sheet is also called heat resistant glass, it is very clear, and have a very smooth 
surface. It is manufactured by a unique micro-float process. This technique provides exceptional flatness, high
surface quality, and low microroughness. Borosilicate glass sheet is used in a wide range of applications.
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Typical Applications

  • Industrial optics for high working temperature

  • Glass components for lighting

  • Sight-glass windows

  • Glass covers for sensors

  • Laboratory glassware

  • Chemical, pharmaceutical, food and drink industries

  • Window for oven and furnace

Product NameBorosilicate 3.3 floated glass sheet
Standard SizeLength* Width: 1150*850mm, 1150*1700mm
Thickness: 0.5mm to 25mm
FeatureThermal resistance, transparency, chemical durability, machanical strength
ProcessingCutting, grinding, polishing, drilling, sandblasting, coating, bending, printing
PackingWooden crate

Technical Data
Physical Data:

1Coefficient of mean linear thermal expansion (20ºC~310ºC) 3.310-6K-1
2Density2.23g/cm3
3Transformation temperature 525°C
4Annealing point560°C
5Working temperature

For short-term usage (< 10 h)500°C
For long-term usage (≥ 10 h)450°C

Chemical Data:

1Hydrolytic resistance (ISO 719)ISO 719HGB 1
2Acid resistance DIN 121161
3Alkali resistanceISO 695A 2

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We offer a full range of glass deep processing services, including: cutting, tempering, edge grinding, edge
polishing, chamfering, drilling, step processing, screen printing, coating, precision carving, etc.
. We
can provide custom deep processing services according to your diverse requirements, whether you provide 

samples or drawings.
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Packging & Logistics

Secure Packaging for Global Shipping:
• Reinforced export cartons
• Wooden crates/wooden pallet

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