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Product name:Low ferric sodium sulfide(Na2S.2 4/5H2O)
Properties: mixture. Appearance is yellow flaky matter
Packaging: 25kg/bag. Inner bag is woven bag, sewn by machine; the intermediate layer is plastic film, sealed by heat; Outer bag is ink gray netted woven bag, sewn by machine.
Cautions:avoid rain, moisture and heat, no breakage, no mix with corrosive matter.
Uses:Mainly used in medicine, top-grade paper, PPS plastic, leather, printing and dyeing, or dressing industry
Technical index:
Item |
Index |
||
Top grade |
|||
Na2S ω/%≥ |
60.00 |
||
Na2SO3 ω/%≤ |
0.60 |
||
Na2S2O3 ω/%≤ |
1.30 |
||
Fe content, ω/% ≤ |
0.0018 |
||
Water insoluble ω/%≤ |
0.025 |