GLASS Russian patent published in 2008 - IPC C03C3/93 

Abstract RU 2323895 C1

FIELD: chemistry.

SUBSTANCE: application: manufacturing of glassware and general-purpose items. Essence of invention: glass composition, wt.%: SiO2 56.0-62.0; Al2O3 2.0-3.0; Cr2O3 1.0-2.0; CaO 1.0-2.0; MgO 20.0-25.0; Na2O 1.0-2.0; B2O3 8.0-10.0; ZnO 2.0-3.0; Effect: CTE of glass is 32-38х10-7°С-1.

EFFECT: objective of the invention is to decrease CTE of glass.

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RU 2 323 895 C1

Authors

Shchepochkina Julija Alekseevna

Dates

2008-05-10Published

2006-11-07Filed