ALKALI FREE 1737® - CORNING® 1737

Although we do have some inventory still available, this glass has been discontinued by Corning®. The next generation has been replaced with Eagle 2000™.

Alkali Free Borosilicate: Corning® 1737
Glass Code: Corning®
1737
Type
Alkali Free Borosilicate
Color
Clear
Principal Use
Optics & Electrical Substrates

Thermal Expansion

Multiply by 10-7 cm/cm/°C

0 - 300°C.
37.6

Viscosity Data

This data is subject to normal manufacturing variations.

Strain Point°C
666
Annealing Point°C
721
Softening Point°C
975
Density q/cm3
2.54
Log10of Volume Resistivity ohm/cm.
250°C
13.5

Dielectric Properties

(1 KHz 20°C)

Dielectric Constant
5.7
Loss Factor %
.10

Refractive Index @ 589 nm

1.518

Transmittance (t=0.7mm)

˜70% (320nm)

˜90% (360nm)

>90% (380-2600nm)

 

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