| OBJECT: |
Disperse and neutralize Carbopol 940 gum at 2% concentration. Disperse Methocel (Hydroxy Propyl Methyl Cellulose) 1.5 to 2% concentration. Prewet and disperse both without forming "fish eyes".
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PROBLEM:
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"Fish eyes" form when using exisiting propeller. Existing process requires 6 to 24 hours. |
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RESULT:
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Carbopol 940 added in down-mode vortex for 5 mins. Then, sheared upward for 15 mins. Uniform solution without "fish eyes". Chief compounder recommended production equipment. |
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AB MIXER:
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CJ-4B and two C-3-2, 60" immersion, 20 HP exploson proof.
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EQUIPMENT REPLACED:
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Lightnin Mixer |