Description

Pigment Red 81:2 is a high-performance, precipitated calcium salt lake pigment known for its excellent color strength and stability. This compound is valued for providing vibrant, durable red shades in demanding applications where lightfastness and chemical resistance are critical. It is primarily sought after by manufacturers in the coatings, plastics, and printing ink industries seeking reliable and consistent coloration.

Application

• Industrial Coatings and Paints: Used in automotive finishes, industrial machinery coatings, and architectural paints for its weather resistance and color consistency.
• Plastics and Masterbatches: Imparts stable red coloration to polyolefins (PP, PE), PVC, and engineering plastics for consumer goods, packaging, and automotive parts.
• Printing Inks: A key component in solvent-based and publication gravure inks, flexographic inks, and specialty packaging inks.
• Textile Printing and Dyeing: Employed in pigment printing pastes for fabrics, offering good wash and rub fastness.
• Paper Coloration: Used in the surface coating and mass coloration of specialty papers and decorative laminates.
• Artist Colors: Incorporated into high-quality acrylics, oils, and watercolor paints for professional artists.

Basic Information

Product Name	Pigment Red 81:2
CAS No.	75627-12-2
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Pigment Red 81:2; Calcium Salt Lake of Pigment Red 81; Lithol Rubine BK Calcium Salt; Permanent Red FGR; Pigment Red 81 Calcium Lake; C.I. 45160:2; Red 81:2; Rubine Toner
EINECS	Contact for details

Quality Control

Our Pigment Red 81:2 is manufactured under a stringent quality management system. Every batch undergoes comprehensive testing for key parameters including color strength, hue, particle size distribution, and chemical resistance to ensure batch-to-batch consistency and compliance with industry specifications. A Certificate of Analysis (COA) documenting purity and performance characteristics is provided with each shipment.

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 strong acids and strong oxidizing agents. The material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Red Powder
Color Strength	Standard ± 5%
Hue	Standard
Resistance to Light	≥ 6-7 (Blue Scale)
Heat Stability	≥ 180°C
Oil Absorption	40 - 60 g/100g
Particle Size (D50)	0.2 - 0.5 μm
Moisture Content	≤ 2.0%

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