• Formulating

  Sodium silicate at pH 6-7?

  Posted by Anahit on February 27, 2024 at 10:17 am

  Hello everyone,

  I have recently stumbled upon an anti-wrinkle formulation example from Croda containing Sodium Silicate. They recommend adding sodium silicate at 11% and then adjusting the pH of the mix to 6-7. Is this even possible? Sodium Silicate turns into the corresponding acid at pH 9.8 and loses its film-forming qualities. Can someone explain to me the logic behind this formulation?

  

  Anahit replied 8 months, 2 weeks ago 1 Member · 0 Replies
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