Sodium gluconate----Steel surface cleaning agent
When steel surface such as plating,chrome plating,nickel plating,nickel plating, tin pot needs to adapt to the special use,the slab surface are required to undergo a rigorous cleaning,to make the coating material and the steel surface adhere dimly.At this time,add sodium gluconate to clean will achieve excellent effect.
Items | Specification (Food Grade) | Specification (Industrial grade) |
Description | white crystal powder | white or yellow crystalline powder or granula |
Identification | meets the requirements | meets the requirements |
Loss on dry % | 0.40 max | 0.40 max |
Reducing substances, % | 0.50 max | 0.50 max |
PH | 6.2 ~ 7.8 | 6.2 ~ 7.8 |
Sulfate ,% | 0.02 max | 0.05 max |
Chloride% | 0.02 max | 0.05 max |
Pb ,ppm | 1 max | 0.001max |
Arsenic salt ,ppm | 2 max | |
Heavy metals ,ppm | 5max | 0.002max |
Assay | 98.0-102.0 | ≥98.0 % |