Specifications: Potassium hydroxide/caustic potash/koh Appearance: White flakes Origin: China Assay:90%min,95%min Packing: Net 25kgs PP woven PE lining bag Production capacity:40000 MT/a Certificate: Iso9001-2000 Qty/20'fcl:24mt without pallet or 22mt with pallet. Product method: Ion membrane exchange method Cas:1310-58-3 H. S code:28152000 Un:1813 class 8 pkg II Specification: Item index index Appearance white flakes white flakes Koh 90.0%min 95.0%min K2co3 0.5%max 0.5%max Chloride (cl) 0.005%max 0.005%max Fe 0.0005%max 0.0005%max Sulfate (so4) 0.005%max 0.005%max Nitrate (n) 0.0005%max 0.0005%max Na 0.8%max 0.8%max Phosphate (po4)0.005%max 0.005%max Silicate (sio3)0.01%max 0.01%max AL 0.002%max 0.002%max Ca 0.005%max 0.005%max Ni 0.0005%max 0.0005%max Heavy metal(as pb)0.002%max 0.002%max