... dosage of 0.5% high slump flowable concrete superplasticizer--sodium naphthalene formaldehyde1.Description:It is a high efficient concrete ... for the pump concrete, the prefabricated concrete, the tube pile concrete,the fair-faced concrete,the decoration concrete, ... .Application:the pump concrete, the prefabricated concrete, the tube pile concrete,the fair-faced concrete,the decoration concrete, ...