CAUSTIC POTASH FLAKES IN CHENNAI CAUSTIC POTASH FLAKES IN CHENNAI NEAR BY Thirumudivakkam, Tambaram, CAUSTIC POTASH FLAKES IN NEAR Sriperumbudur Caustic Potash Flakes, also known as potassium hydroxide flakes or potassium lye flakes, are solid, white or slightly translucent crystalline substances. caustic potash flakes are typically available in purities ranging from 85% to 99%