Mixing alcohol amine I: contains a variety of polyols and alkanolamines and trace organics, for cement and concrete harmless. You can improve the early strength cement grinding aid effect is also very good. Replace part of triethanolamine, the strength will not change. Mixing alcohol amine II: contains a variety of polyols and alkanolamines and trace organics, for cement and concrete harmless. You can improve the late strength of cement grinding aid effect is also very good. Replace part of triisopropanolamine, strength does not change.