2015 High Quality Industry Use sodium ligno sulfonate admixture
The technical indicators of Sodium ligno sulfonate admixture as follows :
Item | Index |
Moisture content (%) | ≤7 |
PH value | 7-9.5 |
Reducing sugar content (%) | ≤8 |
Water-insoluble (%) | ≤0.3 |
Sulphate content (%) | ≤6 |
Usage :
The recommended volume of Sodium lignosulfonate water reducer in the concrete : 0.2%-0.6%
(cement weight), the user should determine the optimal dosage by experiment. And the sodium
lignosulfonate could be used by prepared into liquid.
Sodium lignosulfonate water reducer has obvious effect when compounded with naphthalene
superplasticizer.The experiments can be performed to determine the dosage and proportion for
users.
Note:
Control the volume strictly when using the sodium lignosulfonate water reducer, the effect is not
obvious if less and influence the early strength of concrete if more. It should not be used in the generalconcrete engineering alone when the temperature is below 5 ℃.
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