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Darleyfire Brick

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Refractory castables consist of suitably graded aggregates and hydraulic cements in proportions formulated to achieve certain desired properties for the particular end use. They require only the addition of clean water either by hand or mechanical mixing or during pneumatic gunning to form a heat resistant concrete piece or structure.

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Darley Refractories have been manufacturing fire bricks and other refractory materials for over 100 years and as such, are part of the rich history of Bacchus Marsh, Victoria. The company ceased production in Bacchus Marsh in 2009 and now resides in Oakleigh South.

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After shaping and drying, green bricks are fired in a kiln up to 1350ºC to form a ceramic bond giving them strength and integrity. Coke and black coal were used as a fuel to fire the kilns up to 1965 when they were converted to use heavy fuel oil. Probably the most significant improvement to firing was made in 1974, when the change to natural gas occurred. Quality was improved and rejects reduced with the even control of burning temperatures. After 72 years there was no more landmark black smoke from the chimneys, only the occasional wisp of steam.

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