Job Description:

• 1) Controls equipment to displace water from damp pigments by introducing oil or other liquid into pigment: Shovels batch of damp pigment into tub and starts agitator.

• 2) Turns valve to admit steam into jacket of tub to heat batch to specified temperature.

• 3) Adds required quantity of liquid vehicle to displace water in pigment.

• 4) Tilts tub to drain displaced water from top of batch.

• 5) Clamps lid on tub and opens vacuum valve to draw remaining water from batch.

• 6) Collects samples of batch for laboratory analysis.

• 7) Adds type and quantities of oils and extenders specified by laboratory to bring body, strength, and shade of batch within acceptable limits.

• 8) Mixes batch for specified time.

• 9) Drains batch into containers and clamps on lid.