Soda Lime Silicate Glass SCHOTT 8625

Alternative and trade names
SCHOTT 8625
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Description

IR-absorbing biocompatible glass

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

PropertyTemperatureValue

Density

23.0 °C

2.52 g/cm³

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Mechanical

PropertyTemperatureValue

Elastic modulus

23.0 °C

73 GPa

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Poisson's ratio

23.0 °C

0.22 [-]

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Thermal

PropertyTemperatureValueComment

Annealing temperature

520 °C

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Viscosity 10¹³ dPa.s (ISO 7884-4)

Coefficient of thermal expansion

23.0 °C

9.2E-6 1/K

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mean value for 20-300 °C - ISO 7991

Glass transition temperature

514 °C

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ISO 7884-8

Softening temperature

710 °C

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Viscosity 10⁷·⁶ dPa.s (ISO 7884-3)

Specific electrical resistance temperature

210 °C

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For ρ = 10⁸ Ω·cm

Thermal conductivity

90.0 °C

1.1 W/(m·K)

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Working temperature

1023 °C

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Viscosity 10⁴ dPa.s (ISO 7884-2)

Electrical

PropertyTemperatureValue

Dielectric constant, 1MHz

23.0 °C

7.1 [-]

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Electrical resistivity

250.0 °C

158489 Ω·m

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350.0 °C

6309 Ω·m

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Loss tangent, 1MHz

23.0 °C

6.8E-3 [-]

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Optical

PropertyValueComment

Refractive index

1.53 [-]

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at λ=587.6 nm

Chemical properties

PropertyValueComment

Other

0.01 %

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max., Lead, Cadmium, Mercury and Hexavalent Chromium

Technological properties

Property
Application areas

Transponders (Implantable).

Corrosion properties

Hydrolytic resistance Class HGB3 (ISO 719) - Acid resistance Class S1 (DIN 12116) - Alkali resistance Class A2 (ISO695)