Products Specifications: BK-887L is a modified bentonite for water-based systems Advantages: High gelling efficiency in water-based systems. Can replac traditional cellulose ether thickening agent. Excellent thixotropy property, sag resistance and viscosity control. Prevent hard settlement of pigment/fillers. Ease of incorporation and Ease of dispersion. Suite to wide PH range. Good corrosion resistance and stable viscosity in different temperatures.Good bio-stability and heat resistance. Has apparent level limitation.Viscosity increases dramatically when exceeds certain amount. http://www.organiclay.com