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Anonymous Poster

Gypsum

03/07/2010 12:17 AM

what is the test procedure to check the whitness of the gypsum ?

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Guru

Join Date: Nov 2007
Location: Sherwood Park, Alberta, Canada
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#1

Re: Gypsum

03/08/2010 12:37 AM

Visual test! If it looks really whit, it's probably whit enough.

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#2

Re: Gypsum

03/08/2010 9:15 AM

How white should it be?

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Power-User

Join Date: Jul 2009
Posts: 124
#3
In reply to #2

Re: Gypsum

03/09/2010 2:11 PM

send back if its from china lol

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