Borosilicate Glass SCHOTT 8326

Alternative and trade names
SCHOTT 8326
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Description

Neutral glass tubing, alkali resistance better as for DURAN® special lab glass, high chemical resistance and high hydrolic resistance.

This material data has been provided by Schott Glass Tubing.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

PropertyValue

Density

2.45 g/cm³

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Mechanical

PropertyValue

Elastic modulus

75 GPa

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Poisson's ratio

0.2 [-]

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Thermal

PropertyTemperatureValueTesting StandardComment

Annealing temperature

570.0 °C

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ISO 7884-4

Viscosity 10¹³ dPa·s

Coefficient of thermal expansion

6.6e-06 1/K

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ISO 7991

mean value for 20-300 °C

Glass transition temperature

565 °C

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ISO 7884-8

Softening temperature

770.0 °C

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ISO 7884-3

Viscosity 10⁷·⁶ dPa·s

Specific electrical resistance temperature

210.0 °C

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For ρ=10⁸ Ω·cm

Thermal conductivity

90 °C

1.2 W/(m·K)

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Working temperature

1125.0 °C

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ISO 7884-2

Viscosity 10⁴ dPa·s

Electrical

PropertyTemperatureValueFrequency

Dielectric constant

6.4 [-]

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1MHz

Electrical resistivity

250 °C

199526 Ω·m

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350 °C

10000 Ω·m

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Loss tangent

0.0065 [-]

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1MHz

Optical

PropertyValueTesting StandardComment

Refractive index

1.5 [-]

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at λ=587.6 nm

Stress optical coefficient

2.8e-06 mm²/N

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DIN 52314

Chemical properties

Property

Other

0.01 %

max., Lead, Cadmium, Mercury and Hexavalent Chromium

Technological properties

Property
Application areas

Signal intensifier, detector and (fibre-) optics and Chemical Industry

Corrosion properties

Hydrolytic resistance Class HGB1 (ISO 719) - Acid resistance Class S1 (DIN 12116) - Alkali resistance Class A2 (ISO695)