High alumina shaped refractory bricks are a type of refractory bricks with complex shapes. According to Chinese regulations, for special-shaped refractory bricks with high-quality and high alumina content, the proportion of their external dimensions is within the range of 1:5; The thickness dimension is 4} -95mm; The well has no more than 2 concave angles (including arc-shaped concave angles), or has a 5., A 75 'sharp angle or with no more than 4 grooves; Its mass is 2-15kg of shadow bricks and 2-18kg of high alumina refractory bricks.

For silica shaped refractory bricks, the proportion of their external dimensions is within the range of 【】: 5; The thickness size is 45-95mm; It has not more than 1 square corner, or has a sharp angle of 5D -750, or has not more than 2 grooves; its mass is 2-1kg. For magnesium or magnesium aluminum shaped refractory bricks, those that are not listed as ordinary or magnesium aluminum refractory bricks are classified as shaped refractory bricks.