- Gold & Platinum Refining
- Caustic Soda (Sodium Hydroxide), 5 pounds
Caustic Soda (Sodium Hydroxide), 5 pounds
Also known as lye or caustic soda. Add water and simmer in a Pyrex or Stainless Steel pot for 1 hour. Removes rouge, shellac, rubber wheels, iron filing and even deoxidizes your bench sweeps. all in one step! Sodium hydroxide is a hazmat item.
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