JSG Oceana


Jeannette Specialty Glass (JSG) was founded in the heart of America’s premier glass region in 1904. Jeannette Specialty Glass / Oceana have earned a reputation for manufacturing the highest quality commercial and industrial “Hard Roc” glass products. JSG’s emphasis was on the design and manufacturing of outdoor lighting and decorative lampshades using both ...Read More

JSG Oceana

Jeannette Specialty Glass (JSG) was founded in the heart of America’s premier glass region in 1904. Jeannette Specialty Glass / Oceana have earned a reputation for manufacturing the highest quality commercial and industrial “Hard Roc” glass products. JSG’s emphasis was on the design and manufacturing of outdoor lighting and decorative lampshades using both blown glass and pressed glass. The use of borosilicate glass in the manufacturing of outdoor lighting began the constant striving for the best formula for making low expansion “Hard Roc” glass. Borosilicate glass is an “Engineered” glass developed specifically for use in environments where thermal, mechanical, and chemical conditions are too much for standard, (sodalime) household type glass. Compared to most glass it has low coefficient of Expansion, 3 timeless than soda lime glass. This makes it useful for cooking, heating and other thermal environments, without the risk of breakage due to thermal shock. JSG has perfected their formulation of Borosilicate glass known as “Hard Roc” glass.

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