| 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". |
|
PROBLEM: |
"Fish eyes" form when using exisiting propeller. Existing process requires 6 to 24 hours. |
|
RESULT: |
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. |
|
AB MIXER: |
CJ-4B and two C-3-2, 60" immersion, 20 HP exploson proof. |
|
EQUIPMENT REPLACED: |
Lightnin Mixer |