Phosphate chemicals protect metals from corrosion and increase its resistance to wear for further application. The phosphate coating is an ideal base for subsequent painting, liquid paints, powder coating, oil coating , rubber coating and cold forming.
There are three major reasons for phosphating benefiting your process.
Form a stable inert coating on the metal surface
Provide excellent paint adhesion
Inhibit the spread of corrosion from damaged area.
Supplier: Agricultural and industrial chemicals, rock phosphate in different grades, urea 46 for agricultural applications, and urea automotive (tgu) for industrial uses. additionally, we supply pvc 2 6701+, potassium chloride (kcl), and a range of fertilizers such as di ammonium phosphate (dap), mono ammonium phosphate (map), triple super phosphate (tsp), and single super phosphate (ssp).
Mono Aluminium Dihydrogen Phosphate(MAPP) :
1.Properties:
Aluminium dihydrogen phosphate is a type of colorless and odorless but extremely sticky liquid, freely soluble in water and solidifiable at normal room temperature.It has strong binding force in liquid or solid states and good resistance to peeling, high temperature, vibration and hi-temp air stream in addition to good infrared absorbability and insulativity.
2. Product application
It is mainly used as binder and curing agent in the production of hi-temp refractory materials for kiln, spray paint, Fire clay, casting and foundry industry. It is a type of colorless and odorless but extremely sticky liquid, freely soluble in water and solidifiable at normal room temperature
3.Aluminium dihydrogen phosphate chemical examination report
Item Standard
Appearance Colorless Liquid White Powder
P2O5 % 33±1 66±2
Al2O3 8±0.5 16±1
Iron oxide (Fe2O3)% 0.02 0.02
pH value 1.4~2.6 1.4~2.6
4.Product packaging:
Moisture-proof outer packing for polypropylene woven bags: 20kg/ bag, 25kg/ bag, 1000kg/ bag, net weight and design can be customized.
5.Transport and storge:
Protect against weathering. Store in a dry place and avoid extreme fluctuations in temperature. Special conditions for opened packaging: Close bags after use to prevent the absorption of moisture and contamination.
CAS :2809-21-4
Molecular Formula:C2H8O7P2
Molecular weight: 206.02
1, Properties
HEDP is an organophosphoric acid corrosion inhibitor. It can chelate with Fe, Cu, and Zn etc. metal ions and form stable complex compound. It can dissolve the oxidized materials on these metals'surfaces. Under250OC HEDP shows excellent scale and corrosion inhibition ability. HEDP has good chemical stability under high pH value, hard to be hydrolyzed, and hard to be decomposed under ordinary light and heat conditions. Its acid/alkali and chlorine oxidation tolerance are better than that of other organophosphoric acids (salt). HEDP can react with metal ions in water system to form hexa-element chelating complex, with calcium ion in particular. Therefore, HEDP has good antiscale and visible threshold effects. When built together with other water treatment chemicals, it shows good synergistic effects.
The solid of HEDP is high purity product, suitable for using in winter and freezing districts. it is quite suitable for using as cleaning agent in electronic fields and as additives in daily chemicals.
2, Specification:
ITEMS
Index
Appearance
Colorless or light yellow transparent liquid
White crystal powder
Active content (as HEDP) % ¡Ý
50.060.0
89.0
Phosphorous acid (as PO33-)%¡Ü
2.02.0
0.80
Phosphoric acid(asPO43- )% ¡Ü
0.80.8
0.50
Chloride (as Cl-)% ¡Ü
1.01.0
0.10
pH (1% solution) ¡Ü
22
2.0
Density(20OC)g/cm3 ¡Ý
1.341.40
¡ª¡ª
Fe ion ppm ¡Ü
10 10
5.0.
3,HEDP Application range&using method
HEDP is widely used in the in circulating cool water system of electric power, chemical industry, metallurgy, fertilizer, etc. and widely used as a scale and corrosion inhibitor of low-pressure boilers, field waterflood, oil pipeline.
In light&textile industry, HEDP is used as detergent for metal and nonmetal. In dyeing industry, HEDP is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, HEDP is used as chelating agent. The dosage of 1-10mg/L is preferred as scale inhibitor, 10-50mg/L as corrosion inhibitor, and 1000-2000mg/L as detergent. Usually, HEDP is used together with polycarboxylic acid.
4,Safety Protection:HEDP is Acidity, Avoid contact with eye and skin, once contacted, flush with water.
Package and Storage:ATMP liquid: Normally In 30kg or 250kg net Plastic Drum;ATMP solid: 25kg inner liner polyethylene (PE) bag, outer plastic woven bag, or confirmed by clients request.Storage for ten months in room shady and dry place.
1, Properties
EDTMPS is nitrogenous organic polyphosphonic acid, a part of cathodic corrosion inhibitor. Its corrosion inhibition is 3~5 times better than that of inorganic polyphosphate. It is miscible with water, innocuous and none pollution to environment, has good chemical stability and temperature tolerance. It shows excellent scale inhibition ability under temperature 200oC. It can dissociate into 8 positive-negative ions, thus can chelate with many metal ions to form polymer reticulation complex, to destroy the normal crystallization of calcium scale. EDTMPS shows better antiscale effects to calcium sulfate and barium.
2, Specification:
Items
Index
Appearance
Clear yellow to umber transparent liquid
Active component (as EDTMPS)% ¡Ý
30.0
Organic phosphonic acid(asPO43- )% ¡Ý
10.0
Phosphorous acid (as PO33- )%¡Ü
5.0
Phosphoric acid (asPO43- )%¡Ü
1.0
pH (1% water solution)
9.5-10.5
Density (20oC) g/cm3¡Ý
1.25
Chloride (as Cl-)%¡Ü
3.0.
3,Application range&using method:EDTMPS can be used as corrosion inhibitor in circulating cool water system and boiler water. It is a chelating agent in non-cyanogen electroplating industry and a water-softening agent in printing & dyeing industry. When used alone, 2~10mg/L is preferred. When built with HPMA by ratio ETDMP:HPMA=1:3, it can be used for low pressure boiler. It can also be built with BTA, PAAS and zinc salt.Organic phosphonic acid
Package and Storage:Normally EDTMPS packed with 25kg net Plastic Drum, or packed as customer¡¯s required. Storage for ten months in room shady and dry place.
1, Properties:DTPMPA is innocuous, easy to be dissolved in acid solution. DTPMPA has excellent scale and corrosion inhibiting and temperature tolerance ability. DTPMPA can inhibit the scale formation of carbonate, sulfate and phosphate.Under situation of alkali environment and high temperature (above 210oC) DTPMPA has better scale and corrosion inhibition effect than other organophosphines.
2, Specification:
Items
Index
Appearance
Yello Brow or red brown viscous liquid
Active acid % ¡Ý
50.0
Phosphorous acid (as PO33-)% ¡Ü
3.0
Chloride (as Cl-)% ¡Ü
12-17
Density (20oC) g/cm3
1.35-1.45
pH (1% solution) ¡Ü
2.0
Fe ppm ¡Ü
35.
3,Application range&using method
DTPMPA can be used as scale and corrosion inhibitor in circulating cool water system and boiler water, and especially good in alkali circulating cool water system without additional pH regulation, It can also be used as scale and corrosion inhibitor in oilfield refill water, cool water and boiler water with high concentration of barium carbonate. When used alone, little scale sediment is found even none of dispersant is used.
DTPMPA can also be used as peroxide stabilizer, chelating agent in woven & dyeing industry, pigment dispersant, microelement's carrying agent in fertilizer and concrete modifier. In addition, DTPMPA is used in papermaking, electroplating, acid cleaning and cosmetics.
4.,Safety Protection:Acidity, Avoid contact with eye and skin, once contacted, flush with water.
Package and Storage:Normally In 25kg net Plastic Drum, IBC drum can also be used as required. Storage for ten months in room shady and dry place.
