welan gum

mainly used in building materials such as mortar, concrete, grouting etc. It shows excellent anti-segregation, anti-bleeding, thickening and water retention properties. Simultaneously, DR-1 also can enhance the water retention of mortar. And 

it was used as the water retention agent in the cement and concrete. In this condition, there is no need to use dispersant like other additives. Moreover, DR-1 can increase the cement stability, anti-sagging property and reduce the mortar and concrete of fluidity loss with time, and these excellent characteristics can be kept at elevated temperature (up to 150 ºC) 

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