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Barium Borosilicate glass filler or BBAS has been traditionally used in the classic dental composite systems involving bisGMA and triethyleneglycol dimethacrylate. It is available in a variety of particle sizes. CAS # 65997-17-3
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Item #

Glass

Median Particle Size (Microns)

Coefficient of Thermal Expansion

Refractive Index

Density

Barium Oxide

Silicon Dioxide

V-117-1190 N/A E 3000 N/A 19.0 N/A 5.625 ppm/ºC N/A 1.553 N/A 3.049 g/mL N/A 33.0 % N/A 50.0 %
V-117-1112 N/A E 3000 N/A 11.2 N/A 5.625 ppm/ºC N/A 1.553 N/A 3.049 g/mL N/A 33.0 % N/A 50.0 %
V-117-1075 N/A E 3000 N/A 7.5 N/A 5.625 ppm/ºC N/A 1.553 N/A 3.049 g/mL N/A 33.0 % N/A 50.0 %
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