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mukesh mittal
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Join Date: Dec 2012
Posts: 1

Plaster of Paris

12/02/2012 12:16 PM

how can we increase the setting time of plaster of paris
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lyn
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Join Date: Oct 2008
Posts: 42355
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#1

Re: plaster of paris

12/02/2012 12:27 PM

"increase the setting time"

I assume that you want longer to work with it? So, you want to retard the reaction?

More water?

Cold water?

Put the whole thing in a refrigerator?
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PWSlack
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United Kingdom - Member - Indeterminate Engineering Fields - Control Engineering - New Member

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Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
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#2

Re: Plaster of Paris

12/03/2012 3:15 AM

#1↑ Agreed. Lower the temperature.

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Doorman
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Hobbies - DIY Welding - Don't Know What Made The Old Title Attractive... Popular Science - Weaponology - New Member United States - US - Statue of Liberty - 60 Year Member

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#3
In reply to #2

Re: Plaster of Paris

12/03/2012 9:23 AM

Agree with #1 and 2: lower temperature slows the curing of gypsum plaster.

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