... materials 3.tinwire materials 4.high purity Crystalline Glycolic acid 99%Molecular formula:C2H4O3CAS No:79-14-1EINECS No.:201-180 ... piping, electrical plant, dondenser, heart exchanger, etc.Glycolic Acid Crystal (99%):1. Used in the fine synthesis of medicine.2.Used ... and coatingsPacking:20 kg/drumPictures: . Soldering paste Crystalline Glycolic acid 99% CAS NO.79-14-1