
Sentez (HK) Limited
OXALIC ACID
Property:
White transparent crystal combining two crystal water
Melting Point: 101°C-102°C
Specific Gravity: 1.653
easily sublimate at 100°C
easily dissolve in alcohol and water
Specification:
Oxalic Acid Content 99.6% Min
Sulphate (SO42-) 0.1% Max
Heavy Metals (Pb2+) 0.0005% Max
Ferrous (Fe3+) 0.0005% Max
Chloride (Cl-) 0.002% Max
Ignition Residue (850ºC) 0.03% Max
Usage:
1. In Metallurgy industry: as precipitating and separating function for Rare-earth metal.
2. In pharmaceutical industry: used in Tetracycline, Oxytetracycline, and Borneol, etc.
3. In Light industry: polishing for Marble, rust-remover, bleaching, dirt-remover, leather-processing, wood, and aluminium products etc.
4. In Dyeing and printing industry: as reducing agent for dyeing and printing industry, as bleaching agent for textile, substitute for Acetic acid, as coloring mordant for fast pigment dyestuff.
5. In organic synthetic: used in 2133 resin, Urea-formaldehyde molding powder, Butadiene catalyst, etc.
6. In electron industry: preparation of chemicals raw material for porcelain
capacitor, preparation of electron equipment detergent.
7. In other aspects: as analysis reagent, raw material of chemicals.
Packing:
1.In plastic woven bag 25kg net, lined with PE bag
2. In jumbo bag.
The above mentioned all can be Palletized & stretch wrapped.


FORMIC ACID
Property:
Colorless liquid with pungent odor, miscible with water and alcohol solvents.
Specification:
Formic acid content 85% min 90%min 94%min
(Cl-) 0.006% max 0.005%max. 0.005%max.
(SO42-) 0.02% max 0.002%max 0.002%max
(Fe3+) 0.0006% max 0.0005%max 0.0005%max
Residue 0.06% max 0.020%max 0.020%max
Color (Pt-Co),Hazen Units 30 max 20max 20max
Usage:
1. Pharmaceutical industry :Caffeine, Analgin , Aminopyrine, Vitamin B1,etc.
2. Leather industry: Tanning agent, Deliming agent, Neutralizer etc.
3. Printing and Dyeing Industry :Acid Stains etc.
4. Chemical industry:Methane amide, DMF, Age resister, etc.
5. Rubber industry:Coagulation, etc.
6. Steel industry:Acid cleaning of steel production, etc.
7. Paper industry :Pulp manufacturing, etc.
8. Pesticide industry:Triazolone, Disinfest, etc.
9. Food industry :Disinfectant ,preservative etc.
10. Poultry industry:Silage, etc.
Packing: 1. Net weight 25kg/250kg plastic barrels. 2.Net weight 1200KG(IBC).
