... ,sodium,sodium-calcium,magnesium smectite),made from shelling,dispersing,purifying,grading and special organice composing,and the ... screw mixing style).HFGEL Series Organic Bentonite Rheological AdditiveHFGEL Organic Bentonite Rheological Additive adopts saponite clay,and is made and ... conventional organic clay.The easy dispersing types pf HFGEL series products can be easily dispersed under lower shear ...