Cement Refractory Cement

The technical index of refractory high-aluminate CA50 cement : Items Unit Index CA-50 Chemical Al2O3 % ≥53.00 CaO % ≥33.00 SiO2 % ≤6.0 Fe2O3 % ≤2.50 TiO2 % ≤3.5 Specific surface area m2/Kg ≥4000 Initial setting time min ≥90 Final setting time h ≤6 Compression strength 1day Mpa ≥8.00 3days Mpa ≥10.00 Rupture strength 1day Mpa ≥70.00 3days Mpa ≥80.00 Refractoriness °C ≥1400 Test Standard KTB01013-2004 Package Woven bag with plastic lining