Color it will generate the corresponding Spanish nubiola u03 ep-19 De color ( max ) chromatic coordinates 0.5 particle size range ( UM ) particle size range ( UM ) 8Tinting tinting strength ( Comparison with standard sample ) ( Compare with standard sample ) +3 migration resistance to migratory 5Free sulfur ( max ) Content of thermotolerance of free suphur 0.05 ( c ) Heat fastness>300Sieve allowance ( max ) sieve residue weather fastness 0.1 resistance 8Moisture ( max ) 1 moisture content and acid acid fastness of 1Water - Soluble ( max ) 0.2 alkali resistance of alkali soluble water content fastness 2-3PH value of 8-10 oil - oil absorption by 30-40