mixture. Appearance is yellow flaky matter
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.
Mainly used in medicine, top-grade paper, PPS plastic, leather, printing and dyeing, or dressing industry
avoid rain, moisture and heat, no breakage, no mix with corrosive matter.
Fe content, ω/% ≤
Water insoluble ω/%≤