Ostar 1000
Product description
Ostar 1000 is a kind of calcined kaolin powder treated by special process. The chemical composition is anhydrous aluminium silicate. Ultra fine powder, very few filtration residue, moderate viscosity, so that the production of electrophoretic coating to maintain high efficiency. At the same time has the advantages of low conductivity, good chemical stability and good suspension, can keep the sedimentation stability and storage stability of electrophoretic coatings, prolong electrocoats service life, improve the salt fog resistance of the coatings film, improve the smoothness, compactness and uniformity. CAS number 92704-41-1.
Product index
project | Company | Index range | Test standard |
Whiteness | R457,% | 91±2.5 | GB/T 5950-2008 |
granularity | -2μm,% | 90±2 | BT-1500 |
Oil absorption | g/100g | 45±5 | GB/T 14563-2008 |
Residue of sieve | 325mesh% | ≤0.003 | GB/T 14563-2008 |
conductivity | μs/cm | ≤35 | FE38-Standard |
fineness of grind | μm | ≤15 | GB/T 21867 .2-2008 |
PH | 6.0-7.5 | GB/T 14563-2008 | |
Water content | % | ≤0.8 | GB/T 14563-2008 |
bulk density | Kg/L | 0.35-0.55 | GB/T 16913.3-1997 |
True density | g/cm³ | 2.65-2.75 | GB/T 5071-1997 |
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