Part 1 CLAY BRICK MANUFACTURE
Modern brick manufacture involves high speed processing at extrusion rates of up to 25000 bricks per hour. Solid bricks of the size traditional in South Africa (222 x 106 x 73 mm) weigh 3kg to 3,5kg. Therefore, 1000 finished bricks weigh approximately 3,5 tonnes. In the wet state before firing, the clay .