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48 Powhattan Ave.
Essington, PA, 19029, US
Phone: 1-800-245-3800
Email: sales@esstechinc.com
Website: www.esstechinc.com
ESSTECH Specialty Chemicals > Glass Fillers 

Glass Fillers

Esstech, Inc. offers a variety of ground glasses with a wide range of particle sizes. These glasses are ground to meet your filler requirements. We offer precise X-Ray opacity, a range of options for composition, and a refractive index for esthetically pleasing composites.
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Aluminosilicate Glasses-Ceramic

The refractive index of aluminosilicate glass filler matches that of bisGMA and is very close to our X-970-0000. It has a negative coefficient of thermal expansion, which means it contracts slightly upon heating. This glass contains no barium and therefore has no x-ray opacity making it ideal to blend with our other glass fillers. CAS # 65997-17-3. 


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


Barium Borosilicate Glasses

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


Strontium Borosilicate Glasses

Our Strontium Borosilicate glasses have the lowest refractive indices (1.500) of our glass filler products. They also have a low coefficient of thermal expansion. CAS # 65997-17-3

The claims made in this catalog are believed to be accurate but all are made without guarantee, since the conditions of use are beyond Esstech, Inc.'s control. The information in this catalog is solely provided as a guide. Esstech, Inc. disclaims any liability in connection with the use of the information, and does not warrant against infringement by reason of the use of its products in combination with other materials or process.
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  Esstech, Inc. | 48 Powhattan Ave | Essington, Pennsylvania, USA | 19029-0039 | phone:1-800-245-3800 | fax: 1-610-521-4600 |
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