Monolithic (unshaped) refractory products - Part 4: Determination of consistency of castables (ISO 1927-4:2012); German version EN ISO 1927-4:2012— 15 стр.
Monolithic (unshaped) refractory products - Part 5: Preparation and treatment of test pieces (ISO 1927-5:2012); German version EN ISO 1927-5:2012— 28 стр.