Description

Pigment Blue 29 is a high-performance, synthetic ultramarine blue pigment renowned for its excellent color strength and stability. This inorganic pigment is a critical component for achieving vibrant, durable blue hues in a wide range of industrial applications. It is essential for manufacturers in the plastics, coatings, and construction materials sectors seeking reliable and consistent coloration.

Application

• Primary colorant for plastics and masterbatch production, including polyethylene (PE), polypropylene (PP), and PVC.
• Formulation of high-quality industrial and decorative paints and coatings.
• Coloration of construction materials such as concrete, roofing tiles, and paving stones.
• Manufacturing of colored printing inks for packaging and publications.
• Pigmentation of synthetic fibers and textiles.
• Use in artists' colors and specialty art supplies.
• Coloring agent for paper and paperboard.
• Component in cosmetic products like soaps and bath products where colorants are permitted.

Basic Information

Product Name	Pigment Blue 29
CAS No.	57455-37-5
Molecular Formula	Na6-8Al6Si6O24S2-4
Molecular Weight	~ 936 - 1000 g/mol (Approx.)
Synonyms	Ultramarine Blue; C.I. Pigment Blue 29; C.I. 77007; Synthetic Ultramarine; Ultramarine; Ultramarine Blue Pigment; French Ultramarine; Sodium Aluminum Sulfosilicate; Lapis Lazuli Substitute
EINECS	309-928-3

Quality Control

Our Pigment Blue 29 is manufactured under strict process controls to ensure batch-to-batch consistency in color, strength, and physical properties. Quality is verified against key parameters including color value, particle size distribution, and chemical composition. A Certificate of Analysis (COA) detailing these specifications is provided with every shipment to guarantee compliance with your requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong acids. The product is not hygroscopic under normal storage conditions.

Specification

Item	Specification
Appearance	Bright Blue Powder
Color Strength	Standard (100±5%)
Particle Size (D50)	< 10 µm
Oil Absorption	30 - 40 g/100g
pH (10% Slurry)	6.0 - 9.0
Volatile Matter (105°C)	< 1.0 %
Water Soluble Matter	< 1.0 %
Heat Stability	Stable up to 350°C
Lightfastness	Excellent (8 on Blue Scale)
Weather Resistance	Good

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.