Säure / hitzebeständigen Ziegelsteine, Bretter

Acid resistant are special ceramic bricks which can resist high temperature,shock chilling and corrosion. They arre widely used in reaction tanks, towers, throughs and stirring ponds in metallurgical and chemical processes Major specification Item Unit index Standard Volume density g/cm3 2.21-2.24 HG/T3210-1986 Apparent porosity % 9.3-10.5 HG/T3210-1986 Water absorption % 4.2-4.7 GB/T8488-2001 Cold/heat shock resistance 950-20°c No crackle after 10 times GB/T8488-2001 Elastic constant Mpa 2138 DIN Compression strength Mpa 100 JC424-91 Thermal conductivity W/m.k 1.175 DIN Thermal expansion coefficient of thermal film 1/°c 3.2x10-6 DIN expansion coefficient rate % 0.31 DIN Acid resistance rate % 99.7 GB/T8488-2001