This products are non-ionic polymers. Its water-solubility and viscosity are not effected by PH value of medium. 1. Technical indexTable 1.ItemSpecificationViscositySee Table 2Moisture,%≤7PH in solution6.08.5AppearanceGranule or powderTable 2. Viscosity Specification of HEC SolutionTypeSolution Viscosity (Brookfield at 25°C,cps )1%2%5%H 40003400 - 5000--H 30002600 - 3300--H 20001500 - 2500--H ...