Cement: powdery hydraulic inorganic cementing material. After mixing with water, the slurry can be hardened in air or in water, and can firmly bond sand, stone and other materials together. Cement is an essential building material in construction projects. So, cement generally need to do what test indicators?

Test Range
Masonry cement, Portland cement, cement clinker testing, etc

Test item
Setting time, stability, water consumption of standard consistency, compressive strength, bending strength, fluidity of mortar, fineness, specific surface area, water retention, free expansion, self-stress increase rate, self-stress value, dry shrinkage, density, pressure stability, free calcium oxide, magnesium oxide, sulfur trioxide, alkali content, burning loss, chloride ion, tricalcium silicate and tricalcium aluminate, insoluble matter, resistance to sulfuric acid Saltiness, wear resistance, alkalinity pH value, mass ratio of calcium oxide to silicon dioxide, etc

Detection standard
GB 175 general purpose Portland cement
GB/T 748 sulfate resistant Portland cement
GB/T 3183 masonry cement
GB 13590 steel slag Portland cement
GB 20472 sulphoaluminate cement
GB/T 21372 Portland cement clinker
TB/T 3275 Railway concrete