Caustic Potash

Caustic potash, 1. Potassium hydroxide 10% 20% 30% 40% and 50% solution (Caustic Potash Lye or Caustic Potash Solution) [CAS no. 1310-58-3] - mfg of PCBs (Printed circuit boards), Lab reagent. 2. Sodium hydroxide 10% 20%, 30% 40% and 50% solution (Caustic Soda Lye or Caustic Soda Solution) [CAS no. 1310-73-2] - Extra Pure LR AR ACS.