1 Classification: 1.1 Magnesia chrome bricks are classified into four grades based on their physical and chemical indicators: MGe-20, MGe-16, MGe-12, and MGe-8. 1.2 The classification of magnesia chrome bricks shall comply with the provisions of YB 844-75 "Classification and Definition of Refractory Products". 1.3 The shape and size of magnesia chrome bricks shall comply with the provisions of GB 2074-80 "Shape and Size of Magnesia chrome Bricks for Copper Smelting Furnaces", and can be produced according to the drawings of the purchaser. 2 Test Method: 2.1 The inspection and sampling of magnesia chrome bricks shall be carried out in accordance with GB 7321-87 "Sampling Regulations for Testing Dense Shaped Refractory Products". 2.2 Chemical analysis shall be conducted in accordance with GB 5070-85 "Chemical Analysis Methods for Magnesia Chromium Refractory Materials". 2.3 The test of load softening temperature shall be carried out in accordance with YB 370-75 "Test Method for Load Softening Temperature". 2.4 The inspection of apparent porosity shall be carried out in accordance with GB 2997-82 "Test Method for Visible Porosity, Water Absorption, Bulk Density, and True Porosity of Dense Shaped Refractory Products". The inspection of room temperature compressive strength shall be carried out in accordance with GB 5072-85 "Test Method for Room Temperature Compressive Strength of Dense Shaped Refractory Products". 2.6 The inspection of the appearance, size, and cross-section of magnesia chrome bricks shall be carried out in accordance with YB 835-75 "Inspection Method for Appearance, Size, and cross-section of Refractory Products". Zibo Refractory Furnace Material Development Technology Co., Ltd. Website: http://www.51jiaozhuliao.com Welcome to your visit! Our factory specializes in producing steel fiber castables, magnesia chrome bricks, high alumina bricks, lightweight clay bricks, high alumina castables, corundum castables, mullite firing castables, wear-resistant castables, etc.
Contact me:Email:wp@cnjingganrefractory.com/sdwenping@163.com
TEL: 86-0533-4188518 / FAX: 86-0533-4188518
Rose:+86-13275332819(wechat/whatsapp number)
