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