Non-treated bentonite
API13 Section 10, (non-treated bentonite) API 13 A (Non-treated Bentonite) Section 10 standards. It includes Sodium and contains at least 90% montmorillonite. The mineral is purely natural without any additives. The clay has a high swelling capacity around 25- 30 times the actual volume. It disperses easily when mixed with water and does not form