By name, slag blocks, it becomes clear that these are products from ordinary slag. True, the best may be sore or metallurgical fillers. 10-20% sand and cement. Such blocks are obtained quite heat -resistant. The lightness and strength of the cinder block determines the fractional size of the filler particles, that is, slag. If the particles are large, but not more than 1cm. then the block will turn out to be lightweight, but not durable. When using small slag fractions, the blocks will be harder in weight, but with a good characteristic of strength.
What is a slag concrete: Features of the material
