insulating refractory bricks fireclay light weight thermal insulation bricks for fireplace is made of Mullite material in good purity.It is used for oven/ furnace and some equipments working in high temperature.The production of these goods are strictly in size and quality.
Advantages of insulating refractory bricks fireclay light weight thermal insulation bricks for fireplace
• Made of high pure material,light weight
• Color pure white
• Good thermal conductivity
• Great thermal shock resistance
• very good volume stability at high temperature
Teachnical Date sheet:
| Grade | Density(kg/m3) | Cold crushing strenth(Mpa) | Thermal Conductivity(400°c/600°c) | AL2O3 | SiO2 | Fe2O3≤% | Linear change≤% | Thermal shock resistance times |
| BJM23 | 600 | 1.2 | 0.18/0.20 | 41 | 54 | 1 | 1250*12/0.5 | >20 |
| BJM26 | 800 | 1.6 | 0.25/0.30 | 55 | 41 | 0.8 | 1400*12/0.5 | >20 |
| BJM28 | 900 | 2.0 | 0.33/0.35 | 65 | 31 | 0.7 | 1500*12/1.0 | >20 |
| BJM30 | 1000 | 2.5 | 0.40/0.42 | 73 | 25 | 0.7 | 1600*12/1.0 | >20 |
| BJM32 | 1200 | 2.8 | 0.45/0.50 | 76 | 20 | 0.8 | 1650*12/1.0 | >20 |
Application
• Backup lining for fireclay brick and high alumina brick in boilers,ceramic kiln,reheating furnace,glass furnace,periodic kiln and high efficiency incinerators,etc.
• Backup lining of cyclone preheaters and cooler in cement plant,hot gas generator,hot air direat stack
and floor lining for kiln car,etc.
