Schott BORO-8330™ Borosilicate Glass

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Schott BORO-8330™ Borosilicate Glass
Categories:	Ceramic; Glass; Oxide; Silicon Oxide
Material Notes:	Borosilicate glass 3.3 acc. ISO 3585, chemically highly resistant, highly resistant to thermal shock, special applications in the pharmaceutical industry 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	Metric	English	Comments

Density	2.23 g/cc @Temperature 25.0 °C	0.0806 lb/in³ @Temperature 77.0 °F

Chemical Properties	Metric	English	Comments
Acid Class, SR	1	1	DIN 12116
Alkali Class, AR	2	2	ISO 695

Thermal Properties	Metric	English	Comments
CTE, linear	3.30 µm/m-°C @Temperature 20.0 - 300 °C	1.83 µin/in-°F @Temperature 68.0 - 572 °F	ISO 7991
Transformation Temperature, Tg	525 °C	977 °F
Softening Point	825 °C	1520 °F	Viscosity 10^7.6 dPa s
Working Point	1260 °C	2300 °F	Viscosity 10⁴ dPa s
Annealing Point	560 °C	1040 °F	Viscosity 10¹³ dPa s

Optical Properties	Metric	English	Comments
Transmission, Visible	92 % @Wavelength 400 - 800 nm, Thickness 1.00 mm	92 % @Wavelength 400 - 800 nm, Thickness 0.0394 in
IR Transmittance	0.00 % @Thickness 1.00 mm, Wavelength 4750 nm	0.00 % @Thickness 0.0394 in, Wavelength 4750 nm	Cutoff
	5.0 - 18 % @Wavelength 3500 - 4500 nm, Thickness 1.00 mm	5.0 - 18 % @Wavelength 3500 - 4500 nm, Thickness 0.0394 in
	17 % @Thickness 1.00 mm, Wavelength 2750 nm	17 % @Thickness 0.0394 in, Wavelength 2750 nm
	62 % @Thickness 1.00 mm, Wavelength 3250 nm	62 % @Thickness 0.0394 in, Wavelength 3250 nm
	90 - 93 % @Wavelength 800 - 2500 nm, Thickness 1.00 mm	90 - 93 % @Wavelength 800 - 2500 nm, Thickness 0.0394 in

Component Elements Properties	Metric	English	Comments
Al2O3	2.0 %	2.0 %
B2O3	13 %	13 %
K2O	0.50 %	0.50 %
Na2O	3.5 %	3.5 %
SiO2	81 %	81 %

Descriptive Properties
Glasses in Laboratory Apparatus	Type I, Class A		ASTM E 438
Hydrolytic Resistance	Class HGB 1		ISO 719
	fulfilled		JP
	Type I		Ph. Eur.
	Type I		USP

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CSGS902 / 162007

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