Disperse Carbopol 940 in water and heat Part B to 75 C. Heat Part A to 70 C. Add Part A to B and mix using propeller-type agitation. Heat Part C to 70 C and add to Parts A and B with thorough agitation. Remove heat, continue agitation and cool to 60 C. Add Part D. Cool to set point with moderate agitation. Physical Properties: Typical visc.---7,000 cps Stability---3 months at 25 C, 40 C, and 50 C.