Portland cement clinker mineral composition of four components-Iota

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Service > Portland cement clinker mineral composition of four components

Portland cement clinker mineral composition of four components

1. tricalcium silicate, abbreviated C3S, content of 37% to 60%. Tricalcium silicate hydration reaction speed, higher hydration heat release, is to determine the strength of cement (especially early strength) of the most important minerals;
2. dicalcium silicate, abbreviated C2S, content of 15% to 37%. Tricalcium silicate hydration reaction is very slow, very little hydration heat release. Early strength is low, but steady growth in the latter part, about a year after its strength accessible C3S;
3. tricalcium aluminate, abbreviated C3A, content of 7% to 15%. Tricalcium aluminate hydration fastest, highest hydration heat release. But the intensity value is not high, growth is minimal;
The iron and aluminum, tetra calcium, C4AF, content of 10% to 18%. Iron and aluminum, tetra calcium hydration faster, less heat of hydration. Intensity values above C3A, growth is also little late;

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