Ultramarine Blue

P.B. 27
Key words: inorganic pigment

Formula: Na6Al4Si6S4O20

Color Index No.: Pigment Blue 29-77007

CAS No.:57455-37-5

Specification

Advantage:
Non-Toxic,  Non-Migratory
Compatible with all polymers
Excellent heat stability up to 350℃
Excellent weather fastness (4-5 grade)
Excellent light fastness (7-8 grade)
Excellent resistance to alkali
Maintains dimensional stability
Easily Dispersed

Technical Index:

NO. ITEMS Index
1 △DE(compare with standard sample) ≤1
2 Tinting strength%(compare with standard sample) 100+/-5
3 Water Soluble Matter% ≤1.00
4 Moisture Content% ≤1.00
5 Free Sulfur% ≤0.10
6 Residue(325 Holes Mesh)% ≤0.10
7 Specific Gravity 2.35
8 Oil Absorption 25-45
9 Acid Fastness Low: 1-2
10 Alkali Fastness Excellent: 3-4
11 Light Fastness Excellent(8 on blue wool scale)
12 Weather Fastness Excellent(4-5 on grey scale)
13 Heat Fastness 350℃
Application:

Ultramarine Blue Pigments are widely used in Plastics, Rubber, Printing Inks, Paints, Coating, Paper, Cosmetics and Detergents etc. for coloration, whitening, and color correction.
1. Coloration: it can be used in the fields of paint, rubber, plastic, printing ink, artists’ color, coloring and tinting paper, interior and exterior decorative and architectural coatings etc.
2.Whitening: the neutralization of a yellow caste in a white or clear plastic.
3. Color Correction: the addition of ultramarine blue gives cleaner, more neutral shades, brighten the dark color.

Package:

25kg/bag, 1ton/pallet