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ESSTECH Specialty Chemicals > Glass Fillers > Barium Silicate Glasses > Item # V-116-1130  
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Item # V-116-1130, Barium Silicate Glasses

Barium Silicate glass is an inorganic filler with a high refractive index of 1.580. It also has a high coefficient of thermal expansion and a high barium content, which increases its x-ray opacity.  CAS # 65997-17-3

Typical Properties · Composition

Typical Properties


E 2000

Coefficient of Thermal Expansion

6.7 ppm/ºC

Median Particle Size (Microns)


Index of Refraction



3.40 g/mL

CAS Registration Number



Barium Oxide

46.0 %

Silicon Dioxide

49.0 %


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