Schott DUROBAX® clear Neutral Glass Tubing

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Schott DUROBAX® clear Neutral Glass Tubing
Categories:	Ceramic; Glass
Material Notes:	Neutral glass tubing, chemically highly resistant Syringes, cartridges, chemical and technical apparatus The heavy metal content for the elements lead, cadmium, mercury, and hexavalent chromium is below 100 ppm Information provided by SCHOTT AG.
Vendors:	SCHOTT with its Business Unit Tubing offers tailor-made products & services worldwide from more than sixty special glass types for international growth markets such as industrial and environmental technology, electronics, display industry, architecture and design as well as pharmaceuticals. Contact us. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Original Value	Comments

Density	2.34 g/cc @Temperature 25.0 °C

Chemical Properties	Original Value	Comments
Acid Class, SR	1	DIN 12116
Alkali Class, AR	2	ISO 695

Mechanical Properties	Original Value	Comments
Modulus of Elasticity	73.0 GPa
Poissons Ratio	0.20
Shear Modulus	30.4 GPa	Calculated

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+6 ohm-cm @Temperature 350 °C
	2.50e+7 ohm-cm @Temperature 250 °C
Dielectric Constant	5.7 @Frequency 1e+6 Hz, Temperature 25.0 °C
Dielectric Loss Index	0.0080 @Frequency 1e+6 Hz, Temperature 25.0 °C

Thermal Properties	Original Value	Comments
CTE, linear	4.90 µm/m-°C @Temperature 20.0 - 300 °C	ISO 7991
Thermal Conductivity	1.20 W/m-K @Temperature 90.0 °C
Transformation Temperature, Tg	565 °C	ISO 7884-8
Softening Point	785 °C	Viscosity 10^7.6 dPa s; ISO 7884-3
Working Point	1160 °C	Viscosity 10⁴ dPa s; ISO 7884-2
Annealing Point	565 °C	Viscosity 10¹³ dPa s; ISO 7884-4

Optical Properties	Original Value	Comments
Refractive Index	1.492 @Wavelength 587.6 nm

Descriptive Properties
Hydrolytic Resistance	Class HGB 1	ISO 719
Stress-optical Coefficient K (10^-6mm²N^-1)	3.4	DIN 52314
t_k100(°C)	215

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CSGS908 / 162013

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