Retarder

SG ZY-P 日期：2017-6-12 11:00:50 点击数：496 Description SG ZY-P is a set-retarding admixture.It can slow down the hydration of cement,lengthen the setting time and extend the working life of concrete for longer periods without any negative influence on the concrete quality. Based on Sodium Gluconate.Delivered in powder form. Object   *Mass-pours of concrete in high temperature environment.  *In large masses of concrete,freshly batched concrete for long-distance  hauls,shotcrete,and cast concrete. Advantage  *High workability,no segregation,no water bleeding.  *Extending concrete initial setting time for proper finishing without cold joint during hot weather.  *Increasing the workable time of concrete up to several hours.  *Providing flexibility in planning and scheduling of concrete pours.  *Non-toxicity,Inflammable,Non-corrosion to steel bars. Standard Meets  *GB8076-1997 ;  *A.S.T.M. C494-1980 Type B;  *GB 50119-2003 Instructions for Use * For normal using,the dosage rate varies from 0.10% to 0.15% by cement volume.  *In some cases when the dosage of admixtures exceeds a certain critical point,hydration of cement compounds will hang over a certain stage,and the cement past will never set.  *Based on above term,it is important to avoid overdosing,and pilot tests should be carried out to optimize the dosage.  *It can also be applied after being dissolved into water with proportion 1:5 or 1:10.  *For advice and assistance on how to conduct such tests, the Technical Services of SDZY are available. Packages and Storage  *Packing in 25kg/40kg/650kgs bags,or under clients’ requestion.  *Unlimited in well sealed and unbroken bags, stored in shade and avoiding excessive heat.