... No.:544-17-2 EINECS No.:208-863-7 Tech grade is mainly used for various high-strength concrete, steel concrete ... concrete, large formwork concrete, slip forming concrete and leather etc.Feed grade is mainly used in feedstuff additives, suitable for various animals ... metals, ug/g 20maxChloride,% 0.02maxAs,ug/g 20maxPH(50g/L) 6.5-7.5 supply Calcium Formate feed grade