oxalicacidchem@gmail.com
Oxalic acid leather bleach is very effective in bleaching leather and so on. Used for dark leather and so on can also lighten the color of the leather to some extent. This bleach is low cost, easy to prepare and easy to use
Oxalic acid leather bleach can reduce the bioavailability of mineral elements and easily form calcium oxalate with calcium ions, so oxalic acid is often regarded as an antagonist of mineral elements absorption and utilization. Oxalate has a strong coordination effect, oxalate can form water soluble complex with many metals.
Property
Oxalic Acid Dihydrate is White transparent crystal combining two crystal water, melting point: 101-102oC, specific gravity:1.653,easily sublimate at 100oC, easily dissolve in alcohol and water.
Specification:
|
Purity |
99.6%min. |
|
Sulphate |
0.05%max. |
|
Heavy metals (Pb+) |
0.001%max. |
|
Ferrous (Fe3+) |
0.001%max. |
|
Chloride (Cl-) |
0.001%max. |
|
Ignition residue(850 oC) |
0.06%max. |
Packing: In plastic woven bag with inner PE bag 25kgs net. White Bag or Grey bag
Capacity: 25MT/20FCL without pallet
Storage: Oxalic Acid Leather Bleach should be stored in a cool, dry, well-ventilated area in tightly sealed containers.
Product uses
1. Used as complexing agent, masking agent, precipitating agent, reducing agent.
It is used for the detection and determination of beryllium, calcium, chromium, gold, manganese, strontium, thorium and other metal ions. Pico analysis for sodium and other elements. Standard solution for calibration of potassium permanganate and cerium sulfate solutions. The construction industry in the exterior wall coating before painting, because the wall alkaline is strong should be first painted oxalic acid alkali removal.
2. Used as a catalyst for phenolic resin synthesis.
The catalytic reaction is mild, the process is relatively stable, and the duration is the longest. Acetone oxalate solution can catalyze the curing reaction of epoxy resin and shorten the curing time. Also used as synthetic urea-formaldehyde resin, melamine formaldehyde resin pH regulator. Pva water soluble adhesive can also be added to improve the drying speed and bonding strength. It can be used as the promoter of starch adhesive prepared by KMnO4 oxidant, which can accelerate the oxidation speed and shorten the reaction time.
