Detailed Product Description suitable for manufacturing piezoelectricity and exectronic exement,good basic material of pigmentColour(Compared with standard)littleTinting Strength(Compared with standard),%≥95Volatile Matter at 105 (%,m/m)≤2.0Soluble Matter In Water,%≤1.5Alkalinity and Acidity of Aqueous Extract,ml≤20PH Value Of Water Slurry4∼8Oil Absorption, g/100g≤25Residues On Sieve(45μm mesh ...