Item #: CASE NO: 144
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Description 

OBJECT:

Dispersion of food grade Carbon Black (25%) into water, propylene glycol and surfactant (Tween 80).  Final viscosity 10,000 cps thixotropic.

PROBLEM:

Provide excellent dispersion in minimum time.  Avoid agglomeration caused by powder floating on surface.

RESULT:

Mixer is started in down-mode in water.  Surfactant, Propylene Glycol, are added into vortex, then Carbon Black for prewetting and predispersion.  Reverse mixer to up-mode for one hour to achieve final dispersion.

AB MIXER:

SOLD - C-3-2, 60" immersion, 5-3/4" rotor with 25 HP motor.  Used in 500 gallon tank measuring 48" dia. x 64" high with dished bottom.  Batch size 300 gallons.

      

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