Ultramarine blue
appearance: vivid blue powder
1.color(compared with standard sample): near
2.Tinting strength(compared with standard sample): 100¡À5
3.Free sulfur: 0.10%
4.Sieve residue(325mesh),: 0.10%
5.Oil absorption: 25-45%
6.solute in water:1.50%
7.pH:7.5~8
Use: Having extensive applications, the Ultramarine Blue produces the effect on removing yellow color contained in white materials,and is an ideal pigment of paint,ink,rubber,paper making,printing and dying,textile,plastic industries and the wall coating for cultural,education