Element Concentration Limits Effect
Raw Meal (%) Cem. (%)
MgO 0.50 – 4.00 5 – 6 Expansion
Standards
SO3 0.04 – 1.06 2.3 – 4 Volatilisation
Standards Setting behaviour
Emission
K2O 0.01 – 1.40 0.6 Volatilisation
Na2O 0.03 – 0.60 Low Alk. Alkali Aggregate Reaction