it is a nontoxic anticorrosive pigment widely used in many kinds of primers, and paints of various patent base.

Non-toxic, Anticorrosive Pigment--Aluminum Tripolyphosphate

  

Sanjing Aluminum Tripolyphosphate series, non-toxic white anticorrosive pigments for paints, 

are produced by Xinjing Science&Technology Co.Ltd.  

The cooperation began the research of Aluminum Tripolyphosphate in 1982. 

It was the first institution in China that has successfully developed and produced this product on the industrial scale. 

The product series were classified as the national industrialization project. 

The quality standards of the products was the same as it used by developed countries. 

The qualities of products were tested by Changzhou Paint Res. Inst. of National Department of Chemical Industry, and Wuhan Paint Res. Inst. etc. 

According to the standards of Volkswagen, Germany, the tests results showed that Sanjing products' performance of 

anticorrosion was better than other toxic anticorrosive pigments such as lead red or zinc yellow. 

  

Specifications of Aluminium Tripolyphosphate APW-1

ITEM STANDARD  VALUE Appearance White Powder P2O5 ,  %    42.5~46.5 Al2O3 ,  %   11.0~15.0 SiO2 ,   %    13.5~17.0 ZnO ,  %       15.0~18.0 Oil absorption, g/100g  sample 35±10 Density, g/cm3 2.0~3.0 Moisture, % ≤3.0 Matter dissolved in water,   % ≤1.0 pH value of water extraction 6~8 Average Particle Size,    micron ≤10.0 45 micron sieve residue,   % ≤0.5 

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