red lead

red anti-rust pigment with excellent anticorrosion performance,high dispersibility,high temperature resistance and high hiding powder,insoluble in water.used in flux to reduce the melting point ,surface tension and viscosity of glaze in ceramic industry. Item IndexPbO2 Content,% ≥33.9Pb3O4 Content,%≥97.0Total Pb3O4 and PbO Content,%≥99Volatile Matter at 105 (%,m/m)≤0.2Soluble Matter In Water,%≤0.1Oil Absorption, g/100g≤6.0Residues On Sieve(63μm mesh sieve),%(m/m) ≤0.75Sedimentation Dimension, mL≥30Nitric Acid Nonsoluble Matter,%≤0.1Fe2O3 Content, %≤0.003CuO, %≤0.002Particle sizes2.0-1.7mm,%≤2.01.7-0.8mm,%≥95.0<0.8mm,%≤3.0