Designed for continuous mixing and pumping, the Thin-Mix Series from ChemGrout Inc. utilizes a size 4 positive-displacement, progressing cavity pump. A 45-gallon mixing tank, 15-gallon holding hopper and centrally located controls enable a single operator to mix, transfer and pump materials continuously. It is best used with cement and cement/bentonite mixes. ChemGrout Inc., Card No. 33