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Schott GM32087 Dental Glass

Category Ceramic , Glass , Oxide , Silicon Oxide
Manufacturer Schott North America
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
Remarks: Sr-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 2.60 g/cc
0.0939 lb/in³
Thermal Properties Metric English Comments
CTE, linear 4.00 µm/m-°C

@Temperature -30.0 - 70.0 °C
2.22 µin/in-°F

@Temperature -22.0 - 158 °F
Transformation Temperature, Tg 680 °C
1260 °F
ISO 7884-8
Optical Properties Metric English Comments
Refractive Index 1.52
1.52
n<sub>d</sub>
Component Elements Properties Metric English Comments
Al2O3 15 %
15 %
B2O3 15 %
15 %
BaO 1.0 %
1.0 %
SiO2 50 %
50 %
Descriptive Properties Value Comments
Hydrolytic Resistance Class 1
DIN ISO 719
Radiopacity (digital method) 370
ISO 4049
Radiopacity as thickness of aluminium equal to 2-mm thick glass material 4.2 (210%)
ISO 4049
SrO (%) 20
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