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HOBART 20-QUART MIXER

GM FOAM FORMULAS AND SCHEDULES
FOR USE WITH HIGH GRADE LATEX BASE

12X BATCH LOW 70° / 60% humidity

    speed total time  
Latex Base 1800 gms 3 3  
Foaming Agent 340 gms 2 6  
Curing Agent 200 gms 1 20 Pour Gel
Gelling Agent 200 gms 1 23 Off


12X BATCH MEDIUM 70° / 45-55% humidity

    speed total time  
Latex Base 1800 gms 3 6  
Foaming Agent 340 gms 2 8 1/2  
Curing Agent 200 gms 1 20 Pour Gel
Gelling Agent 200 gms 1 22 Off


12X BATCH HIGH 70° / 35% humidity

    speed total time  
Latex Base 1800 gms 3 7  
Foaming Agent 395 gms 2 10  
Curing Agent 200 gms 1 18 Pour Gel
Gelling Agent 190 gms 1 20 Off


14X BATCH LOW 70° / 39% humidity

    speed total time  
Latex Base 2100 gms 3 3 1/2  
Foaming Agent 390 gms 2 5 1/2  
Curing Agent 240 gms 1 21 Pour Gel
Gelling Agent 235 gms 1 23 Off


14X BATCH MEDIUM 70° / 39% humidity

    speed total time  
Latex Base 2100 gms 3 3 1/2  
Foaming Agent 390 gms 2 5 1/2  
Curing Agent 240 gms 1 23 Pour Gel
Gelling Agent 235 gms 1 26 Off


14X BATCH HIGH 70° / 22% humidity

    speed total time  
Latex Base 2100 gms 3 5  
Foaming Agent 390 gms 2 6 1/2  
Curing Agent 240 gms 1 25 Pour Gel
Gelling Agent 235 gms 1 29 Off


15X BATCH MEDIUM 70° / 45% humidity

    speed total time  
Latex Base 2250 gms 3 5  
Foaming Agent 480-520 gms 2 6  
Curing Agent 225 gms 1 23 Pour Gel
Gelling Agent 180 gms 1 25 Off

 

15X BATCH MEDIUM-HIGH 68° / 32% humidity

    speed total time  
Latex Base 2250 gms 3 6  
Foaming Agent 500 gms 2 9  
Curing Agent 230 gms 1 25 Pour Gel
Gelling Agent 240 gms 1 29 Off

 

18X BATCH LOW 68° / 39% humidity

    speed total time  
Latex Base 2700 gms 3 3  
Foaming Agent 396 gms 2 6  
Curing Agent 270 gms 1 43
Pour Gel
Gelling Agent 288 gms 1 46 Off


18X BATCH MEDIUM-LOW 70° / 24% humidity

    speed total time  
Latex Base 2700 gms 3 3 ½  
Foaming Agent 500 gms 2 7 ½  
Curing Agent 309 gms 1 30 Pour Gel
Gelling Agent 300 gms 1 35 Off


26X BATCH MEDIUM-LOW 70° / 23% humidity

    speed total time  
Latex Base 3900 gms 2 1 ½  
Foaming Agent 520 gms 3 2 ½  
Curing Agent 390 gms 2 10 Pour Gel
Gelling Agent 416 gms 1 50  
    1 71 Off

 

These running schedules are a starting point for you. They are for “average” room conditions, which are approximately 68 - 70º F (22º C), and 45 - 55% humidity. As you know, higher temperatures cause faster gelling, and higher humidities cause faster gelling. The opposite is true for colder and drier conditions.

Using more Foaming Agent causes higher rise (softer) foam, and extends the gel time. For denser foam, use less Foaming Agent, and turn the mixer speed down to #2 a minute or two earlier.

Hobart mixers have a “dead” spot inside the whisk. On speed #1, the foam inside the whisk does not mix thoroughly with the rest of the foam in the bowl. It is therefore useful to use the side handle to drop the bowl while the whisk is turning at speed #1. This should be done several times throughout the refining period, and at least two or three times after the Gelling Agent has been added. Drop the bowl and let the whisk rotate for a few revolutions. Much of the foam will drain out of the whisk and into the bowl. Then raise the bowl as usual.

When your batch is finished and the mixer is turned off, you’ll need to unhook the whisk before removing the bowl. Now you can take the bowl off its pegs and remove the whisk. Gently shake the foam out of the whisk and into the bowl, so you don’t waste.

We strongly suggest the use of GM Flow Increaser with large batches. It allows the foam to refine better and pour easier. We use approximately 3gms/ 150gms. latex. Large batches can be made even better with the use of Micad and Cell Choke. Call for details.

Please call or fax for technical support. We are here to help.

 

 

 

 

 

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