Apro Industrie

Glass-fused-to-steel tank

Apro Industrie designs, manufactures and installs glass-fused-to-steel tanks worldwide. The tanks are manufactured in the UK by Permastore Ltd.

The glass-fused-to-steel process involves the high-temperature fusion of glass to steel at approximately 850°C. The fusion of glass and steel provides a product with an inert, durable finish. These two materials are fused together to combine "the strength and flexibility of steel with the high corrosion resistance of glass".

Glass-fused-to-steel tanks are made of sheets that are bolted together, and water tightness is provided by a highly resistant silicone or polyurethane mastic sealant applied between the sheets.

It is a competitive, long-term technical solution for process water and waste water storage.

Established in 1959, Permastore Ltd has been designing and manufacturing glass-fused-to-steel storage tanks for more than 50 years.

Permastore has supplied more than 50,000 structures world-wide and is ISO 9001:2000 accredited.

All the materials, the design and the manufacturing process for glass-fused-to-steel tanks comply with standard ISO 28765:2008.

 

The production of glass fused to steel panels is a long, rigorous process involving 16 steps, to ensure long-lasting quality.

1.Raw steel
2.Drilling and cutting of the sheets
3.Grit-blasting
4.Rolling of panels
5.Chemical cleaning
6.Pre-protective dousing
7.Application of nickel rich pre-coat
8.Drying ovens

9.Application of cobalt rich glass layer
10.Bisque oven
11.Fired through furnace at 850°
12.Application of glass layer
13.Bisque oven
14.Fired through furnace at 850°
15.Control testing
16.Sheets packed

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