Pigment Blue 29 (Ultramarine Blue)

Brand	Fineland Chem
Color Index	Pigment Blue 29 (Ultramarine blue)
Color Index No	77007
CAS No	57455-37-5
EC No	611-539-9
Chemical Group	Sodium polysulfide aluminosilicate
Chemical Formula	Na₆Al₄Si₆S₄O₂₀

Introduction

Pigment Blue 29 (Ultramarine Blue), is a classic inorganic pigment recognized for its clean reddish-blue hue and excellent stability. It is semi-transparent and widely compatible with most resin systems and polymers, offering reliable dispersion without causing warpage in plastics. Beyond simple coloration, PB 29 delivers multiple functional benefits: it enhances whiteness, brightens gray tones, and boosts overall brightness when used in combination with carbon black and titanium dioxide. Typically used at around 60% for tinting strength, it performs well in liquid and powder coatings, printing inks, plastics, and other industrial color applications.

Best Sellings

PB29 – DuraPaint®6629 ⬇️TDS
Recommended for Building materials, Paints & Coatings, Fertilizers, Plastics andRubber,Stationary and Art pastes etc.

Physical Properties

Test Item	Specification
Density (g/cm3 )	2.35
Soluble matter in water(%)	≦1.5
Oil Absorption(g/100g)	35-40
PH Value	7-9
Moisture (%)	≦1
325mesh Sieve Residue(%)	≦0.1

Fastness Properties

Heat Resistance (℃)	300	Alkali Resistance (1-5)	5
Light Resistance (Full Shade, 1-8)	7-8	Migration Resistance(1-5)	5
Light (Reduced tinting, 1-8)	7	Ethyl Acetate (1-5)	5
Weather Resistance (1-5)	5	Ethanol (1-5)	5
Acid Resistance (1-5)	2	MEK (1-5)	4

Application

Printing Ink: Discover high-performance ink pigments for various printing technologies including water-based, solvent-based, offset, inkjet, UV curing, and decorative applications. More Details

Paint and Coating: Explore a wide range of coating pigments tailored for paints, oils, automotive finishes, industrial applications, concrete, cement, and ceramics. More Details

Plastic and Masterbatch: Browse a comprehensive selection of plastic pigments designed for PE, PVC, EVA, rubber, and a variety of engineering plastics. More Details

Special Use: Find specialized pigments offering unique effects and functionalities for textiles, resins, glazes, metallic finishes, fluorescence, and anti-corrosion needs. More Details

Advantages

● Classic deep blue: Pigment Blue 29—Ultramarine Blue, brings a deep and charming blue effect. Its high-purity pigment ensures deep and consistent colors in plastics, coatings and inks, adding classic charm and visual appeal to your products.

● Superior lightfastness: The dye has excellent lightfastness and can maintain bright colors even after long exposure to strong sunlight. The high lightfastness of Pigment Blue 29 ensures long-term color stability in outdoor and high-light environments.

● Wide range of applications: Whether it is plastics, coatings or inks, pb29 pigment can provide uniform and stable coloring effects. Its excellent dispersibility and compatibility make it suitable for a variety of materials and application needs, meeting diverse color requirements.

● Environmental protection and safety: Pigment Blue 29 complies with international environmental protection standards, does not contain harmful substances, and is safe and reliable. Its environmental protection characteristics not only provide excellent color performance, but also support sustainable development, providing green and safe color solutions for your plastic products, coatings and inks.