This part of ISO 10081 specifies the classification and designation of dense shaped basic refractory products containing 7 % or more but less than 50 % residual carbon after coking. It is applicable to products with or without antioxidant additives, with or without metal plates and reinforcement.
NOTE 1 ISO 10081-2 covers the classification of dense shaped basic products containing less than 7 % residual carbon.
NOTE 2 All bricks can be encased in metal plate and can be reinforced by means of an internal metal plate and/or mixed metal fibre.