1, the amount of polycarboxylate superplasticizer should be expressed by the percentage of the total cementitious material, or expressed by mL/kg cementitious material.
2, the amount of polycarboxylate superplasticizer should be according to the supply unit recommended amount, use requirements, construction conditions, concrete raw materials and other factors through the test to determine.
3. Admixtures containing chloride ion and sulfate plasma should comply with the provisions of this specification and relevant standards.
4, in contact with water or wet environment of concrete, when the use of alkali active aggregate, by the polycarboxylate superplasticizer into the alkali content (to equivalent sodium oxide meter) should not exceed 1kg/m3 concrete, concrete total alkali content should be consistent with.
