... admixture, concrete superplasticizer,sulphonate melamine type superplasticizer, high range water reducer. Item No.: SUNBO SMF-1013 NEWSulfonated Melamine High Efficient Water ... of SM, i.e. white, high water reducing effect, non-air-entrained, low Cl ion content (thus the steel bars in ... . StorageThis powder is easy to absorb the moisture from the air, so it must be kept in the original sealed bag ...