... petroleum,chemicals,textile,paper making,printing and dyeing. Items Specification Flakes/Solid Pearls NaOH (%min)9698999699Na2CO3 (%max)1.00.90.81 ... 20.05Fe2O3 (%max)0.0080.0050.0050.0080.005Appearance: White flakes,pearls or solid forms. Application: widely used in metallurgy, ... ,soapindustry, pharmacy and food industry,metal hardwares etc. Packing: Flakes/Pearls: 1)in 25kg p.w.bags..25MT/20'FCL ...