Burned brick

Chemically bonded basic bricks are blended much the same as burned brick mixes except that a bonding agent, eg, magnesium sulfate or magnesium chloride, is added to the mix as well as tempering water to form oxysulfates or oxychlorides. 

Ziegel, m. brick tile briquet(te). -back-stein, m. (burnt) brick, -brand, m. brick burning, tile burning batch of brick or tile, -brennen, n. brick burning, tile burning, -brenner, m. brick (or tile) burner (or maker), -brennerei, /. brick (or tile) burning brick (or tile) factory, -brennofen, m. brick kiln, tile kiln. 

He published papers on the composition of coal, wood, charcoal, steel, pyrolusite, molybdenite, and spring waters, on the arts of purifying lead, hardening copper, and burning bricks, on the working of saltpeter and indigo, on resuscitation of patients with suspended animation, and on the porphyry industry at Elf dal, East Dalarne (54). 

Burned bricks, he says, are used for topping walls and for laying floors (tiles). 

After slaking, he directs to mix three parts of pit sand to one of lime, but if river sand or sea sand is used, then to mix two parts to one of lime, but to use with this a third part of burned brick pounded fine and sifted. 

Bricks are fired or burned in kilns to develop a ceramic bond within the refractory and attain certain desired properties. This step does not apply to chemically or organically bonded products. Burned brick may be impregnated with tar or pitch to improve corrosion resistance. 

Fig- 3 Cairo/l ebbin South Area Black plumes are from Mazout burning brick kilns white plumes are from lead smelters... 

Firm, hard burned brick Yellow burned brick. ... 

This classification applies to both chemically bonded and burned brick. 

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