ISO 9205:1988, Refractory bricks for use in rotary kilns - Hot-face identification marking

This International Standard specifies a system of marking the working face of refractory bricks for use in rotary kilns.The method is intended to provide a quick and easy way of checking that each brick has been installed with the taper in-the correct direction, and also to assist in brick identification for turning circles.The sizes of the bricks are given in ISO 5417.