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Table 1 Chemical composition and corresponding clinker phases in Taiwan cement

From: Influences of specific ions in groundwater on concrete degradation in subsurface engineered barrier system

Component Content % by weight
CaO 61.96
SiO2 20.42
Al2O3 4.95
Fe2O3 3.09
MgO 3.29
Na2O + 0.685K2O Max. 0.6
SO3 2.4
Corresponding clinker component
 Tricalcium silicate (C3S) 49
 Dicalcium silicate (C2S) 21
 Tricalcium aluminate (C3A) 7.9
 Tetracalcium aluminate ferrite (C4AF) 9.4
  1. Abbreviations used as following: C, CaO; S, SiO2; A, Al2O3; F, Fe2O3; H, H2O