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Esstech DSS™ Glass features optimized levels of silane and improved hydrophobicity, properties which may result in improved adhesion & compatibility of the organic / inorganic surfaces in the composite. This results in improved mechanical strength of your composite. V-119-4120 is a 2 micron barium borosilicate glass, BBAS, with 25% barium content.

Unit of Measure

Typical Properties

Mean Particle Size (Microns)

N/A 2.0

Coefficient of Thermal Expansion

N/A 5.2 ppm/ºC

Index of Refraction

N/A 1.530


N/A N/A g/mL

CAS Registration Number

N/A 65997-17-3

Secondary CAS Number


% Silane by TGA

N/A 1


Barium Oxide

N/A 20 - 30%

Silicon Dioxide

N/A 45 - 55%

Boron Oxide

N/A 5 - 15%