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Posted 01 May 2011 - 08:05 AM
is sodium silicate supposed to be dry crystals or liquid when added to formulas?? mine came in a pint container with small amount of liquid at the top and a rock hard crystalline pack underneath. No amount of stirring, scraping or shaking will change this consistancy. When a recipe calls for sodium silicate do I pour off and measure the liquid at the top or chip out the solid stuff at the bottom??
Posted 01 May 2011 - 09:36 AM
I think it may have passed its shelf life. When my sodium silicate looks like it is separating, I use a small jiffy mixer to stir it up. If you can't rester it, I think it has passed the shelf life.
Marcia Selsor, Professor Emerita,Montana State University-Billings
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