Sodium Borate

X Anhydrous test Item test Result (na2b4o7)%≥ 95 (na2co3) %≤ 0.40 (na2so4) %≤ 0.40 (nacl) %≤ 0.03 2)borax Decahydrate index Item execution Standard first Grade second Grade na2 B4o7·10h2o% ≥99.5 ≥95.0 na2 Co3,% ≤ 0.10 0.20 water Insoluble,% ≤ 0.04 0.04 na2 So4,% ≤ 0.20 0.20 na Cl,% ≤ 0.03 0.05 fe,% ≤ 0.002 0.005 packaging packing package Weight pe Liner and Compound Woven Bag Out Side net Weight 25 ( Kilograms