99%Caustic Soda pearls 1.used in synthetic fiber,papermaking,organic synthesis ... directly sale 3.ISO certificate 1. 99%Caustic Soda pearls Classification Caustic Soda CAS No. 1310-73-2 Other ... , Medicine Grade Purity 96%,99% Appearance white flakes/pearls/solidApplication used in soap industry,textile,paper making,petroleum industry ... be sighed "corrosive object". 99%Caustic Soda pearls (Sodium Hydrate)