Ultramarine is the most common blue inorganic pigment. It is compound with sulfur of aluminum silicate, having vivid lustre and pure colour.

Molecular formula: Na₆A_l4Si₆S₄O₂₀

Characteristic

* Excellent Thermostability

* Excellent Light Fastness

* Untransferable

* Easy to Scatter

* Safe and Poisonless

Scope of Application:

* Tinting: Applied to Paint, Ink, Spray, Rubber, Plastic, Arts pigment, Cosmetics, etc. And MAINLY APPLIED TO INDUSTRIES OF ARCHITECTURAL COATING, PLASTIC, RUBBER, PAINT AND SO ON

* Whitening: Ultramarine can remove yellow colour contained in white materials.

* Mix colours: Ultramarine can make black or grey have soft lustre.

* Colour (Compared with standard sample) Conform to standard sample

* Tinting Strength (Compared with standard sample): 100+1

* Solute in Water %: ≤ 0.5

* Free Sulfur %: ≤ 0.1

* Moisture (100+2 Centigrade) %: ≤ 1.5

* Sieve Residue (325 mesh) %: ≤ 0.1

* Oil Absorption %: 25 - 45

* Organic Tinting Material: None

* Thermostability: 250 Centigrade-300 Centigrade

* PH Value: 7.5 - 8