Description

Vat Black 27 is a high-performance vat dye belonging to the anthraquinone class, known for its excellent color fastness and deep, rich black shade. This product is essential for achieving durable and vibrant coloration on cellulosic fibers like cotton, viscose, and linen. It is a critical raw material for textile manufacturers, industrial fabric producers, and specialty dye houses seeking superior wash, light, and rubbing fastness in their finished products.

Application

• Exhaust dyeing and continuous dyeing of cotton yarns and fabrics.
• Coloration of viscose rayon and linen for apparel and home textiles.
• Production of denim and other heavy-duty workwear fabrics requiring high durability.
• Dyeing of industrial textiles such as canvas, tarpaulins, and awning fabrics.
• Used in specialized applications for shade matching and color correction in textile printing.
• Suitable for dyeing blended fabrics where cellulosic components are present.

Basic Information

Product Name	Vat Black 27
CAS No.	883833-79-2
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Vat Black 27; Vat Black 27; C.I. 69005; Anthraquinone Black 27; Vat Dye Black 27; Textile Black Vat 27; Dye Vat Black 27
EINECS	Contact for details

Quality Control

Our Vat Black 27 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance reliability. Each lot undergoes comprehensive testing for key parameters including shade, strength, particle size, and solubility. A Certificate of Analysis (COA) documenting these results is provided with every shipment to guarantee compliance with your technical specifications.

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 heat sources and incompatible materials. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	Black Powder
Identification (IR)	Conforms
Color Strength	Standard ± 3%
Shade	Standard
Moisture Content	≤ 5.0%
Particle Size	≥ 95% passes 80 mesh
Dispersibility	Good in standard medium

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