... for delivery 4,Popular in overseas. Specification of formic acid:ItemTop GradeFirst GradeQualified GradePurity%,≥908585Chroma(Pt-Co)≤1020 ... Dilution test(Acid+water=1+3)%, ≤No cloudQualified Chloride(C1)%, ... ,Textile industry:Natural Rubbere,Steal industry:Aid cleaning of steel productionf,Paper industry:Pulp manufacturingg,Food industry ...