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Schott GM27884 Dental Glass

Category	Ceramic , Glass , Oxide , Silicon Oxide
Manufacturer	Schott North America
Trade Name
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Schott GM27884 Dental Glass.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

Remarks: Ba-containing, low refractive glassApplication: CompositeAdvantagesGreater variety of composition and refractive indiciesOutstanding transparencyBest radiopacitiesInformation Provided by SCHOTT North America, Inc.

Physical Properties	Metric	English	Comments
Density	2.80 g/cc	0.101 lb/inÂ³

Thermal Properties	Metric	English	Comments
CTE, linear	4.00 Âµm/m-Â°C @Temperature -30.0 - 70.0 Â°C	2.22 Âµin/in-Â°F @Temperature -22.0 - 158 Â°F
Transformation Temperature, Tg	665 Â°C	1230 Â°F	ISO 7884-8

Optical Properties	Metric	English	Comments
Refractive Index	1.53	1.53	n<sub>d</sub>

Component Elements Properties	Metric	English
Al2O3	10 %	10 %
B2O3	10 %	10 %
BaO	25 %	25 %
SiO2	55 %	55 %

Descriptive Properties	Value	Comments
Hydrolytic Resistance	Class 1	DIN ISO 719
Radiopacity (digital method)	560	ISO 4049
Radiopacity as thickness of aluminium equal to 2-mm thick glass material	4.2 (210%)	ISO 4049

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