Description

Viridian 3B is a high-purity inorganic pigment, specifically a complex silicate, known for its distinctive and stable green hue. This compound is valued for its exceptional color strength, thermal stability, and chemical inertness, making it a reliable choice for demanding industrial applications. It is primarily sought after by manufacturers in the coatings, plastics, ceramics, and construction materials industries seeking durable and consistent coloration.

Application

• Industrial Coatings & Paints: Used in automotive, marine, and architectural paints for its excellent weatherability and UV resistance.
• Plastics & Masterbatch: Provides stable coloration for engineering plastics, PVC, polyolefins, and synthetic fibers.
• Construction Materials: Imparts color to concrete, mortar, roofing granules, and paving stones.
• Ceramics & Glass: Acts as a colorant in ceramic glazes, porcelain, and specialty glass.
• Printing Inks: Employed in specialty and security inks requiring high chemical stability.
• Artists' Colors: Used in the formulation of high-quality artists' paints and pigments.

Basic Information

Product Name	Viridian 3B
CAS No.	12001-99-9
Molecular Formula	Complex Silicate (Contact for details)
Molecular Weight	N/A (Inorganic complex)
Synonyms	Chromium Green Oxide Hydrate; Viridian Green; Guignet's Green; Transparent Oxide of Chromium; Chromium Hydroxide Green; PG18; CI 77289; Hydrated Chromium Oxide
EINECS	234-428-9

Quality Control

Our Viridian 3B is manufactured under a stringent quality management system. Each batch undergoes comprehensive testing for key parameters including color value, chemical composition, particle size distribution, and impurity levels to ensure batch-to-batch consistency and compliance with industry standards. Certificates of Analysis (COA) are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong acids and strong alkalis. The product is hygroscopic (moisture-sensitive); ensure containers are sealed after use to prevent caking.

Specification

Item	Specification
Appearance	Fine green powder
Identification (IR)	Conforms
Color Strength	≥ 95% (vs. Standard)
Purity (as Cr2O3)	≥ 85%
Moisture Content	≤ 2.0%
Water Soluble Matter	≤ 1.0%
Particle Size (D50)	0.5 - 2.0 µm
Oil Absorption	25 - 35 g/100g
pH (10% slurry)	6.0 - 8.0

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