Product Name:Caustic Soda Flakes/Solid/Pearls(also called "Beads") 96%/98%/99%Min;Molecular Formula:NaOH(Sodium Hydroxide),Molecular Weight:40.1,CAS NO:1310-73-2,EINECS NO:215-185-5,UN NO:1823,HAZARD CLASS:8,HS CODE:28151100;Appearance:white flakes or solid or pearls;Spec:(1). Super Grade:Purity(NaOH):99%min, Na2CO3:0.90%max, NaCl:0.15%max, Fe2O3:0.01%max;(2). First Grade:Purity(NaOH):98%min, Na2CO3:1.10%max, NaCl:0.60%max, Fe2O3:0.01%max;(3). Second Grade:Purity(NaOH):96%min, Na2CO3:1.40%max, NaCl:2.80%max, Fe2O3:0.01%max;Application:Mainly used in soap-making, synthetic detergent, petroleum drilling, oil-refining, paper-making, glass-making, textile industry, printing, metallurgy, artificial fiber, water treatment etc.Packing:Flakes/Pearls-in 25kg plastic woven bag, Solid-in 200kg iron drum, Flakes/Solid:25mts/20'fcl, Pearls:25-28mts/20'fcl ;