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Admixtures become crystal in winter, plug pipeline

In November to next February, as the temperature decreased rapidly, it will appear

in the admixture fed to the hopper when pumping large crystals clogging pipes and

butterfly valves, resulting in slow metering.


Analysis: Companies in naphthalene superplasticizer used in Na2SO4 at low temperatures,

and precipitation of crystals reached saturation.


Prevention Measures: consultations with suppliers to adjust the water reducer

superplasticizer formulations, the solid content from 32% to 20% solids,

crystallization has been basically solved the problem.