Aluminum tripolyphosphate anti-corrosive pigments

Specifications

Completely modified by calcium silicate,generally used in solvant based paint in a low-corrosive environmen

Main composition:
Aluminium Tripolyphosphate(AlH2P3O10·2H2O) 
Main anticorrosive group:    P3O^5-₁₀   

CAS No.: 29196-72-3

EC Number: 2377149

 

Character: Excellent anticorrosion, low consumption, low cost, wide adaptability.

 

Properties:

Nonvolatile white powder with ultrafine crystals, insoluble in water, non-toxic, non-irritating to skin, thermal stable. 

 

Applications:

Widely used in various primers and paints integrating primer and finish together; Can be used with phenol resins, alkyd resins, epoxy resins, acrylic resins, oil-soluble resins, water borne air drying or baking resins, to produce paints with excellent anticorrosion, acid-resistance, water-resistance and fire-resistance properties. Now this new pigment is widely used in the fields of ships, automobiles, bridges, iron and steel structures, etc

 

APW-211:Completely modified by calcium silicate,generally used in solvent based paint in a low-corrosive enrironment.

ITEM	APW-211
P2O5 ,  %	≥30.0
Al2O3 ,  %	≥7.5
SiO2 ,   %	≥18.0
ZnO ,  %	-
Density, g/cm3	2.0~3.0
Matter soluble in water,%	≤1.0
Oil absorption, (g/100g sample)	≤40
Average Particle Size,    micron	≤15.0
Residue on sieve of 45 microns,%	≤0.5
Moisture, %	≤3.0
pH value of water extraction	6.0-8.0
105°C Volatile content, %	≤3.0
Whiteness	-
Pb, %	≤0.03 (if requir for low haevy metal content)