Sodium Lignosulfonate Powder Used as Concrete Water Reducer .
WEBAfter adding % sodium lignin sulfonate, when the slump of the concrete is basically the same, the initial setting time of ordinary cement is delayed by 12 hours, slag cement is cement is 24 hours, and the final setting time is 2 hours for ordinary cement and slag cement is 23 hours. Reduce the early hydration heat of cement.