Sulphur Red Brown B3R: High-Performance Red-Brown Dye for Durable Fabrics

·  Fast Dyeing and Strong Color Enhancement: Sulphur Red Brown B3R allows for quick dyeing and delivers a strong color enhancement effect, ideal for high-efficiency production. 

·  Excellent Leveling and No Streaking: This dye provides excellent leveling properties, ensuring an even dyeing process without streaking or uneven patches. 

·  Stable Color and Minimal Batch Variations: Sulphur Red Brown B3R ensures stable color results with minimal variation between batches, providing consistent results. 

·  High Durability: With excellent light, wash, and abrasion fastness, this dye is ideal for use in home textiles, workwear, and towels, where high durability is required. 

·  Key Red-Brown Tone in Sulphur Dye Range: Sulphur Red Brown B3R is one of the main dyes in the sulphur color range, known for its deep red-brown tones.

Index Number: C.I. Sulphur Red 6 

Appearance: Deep brown uniform powder 

Color Shade: Standard red-brown (red sauce color) 

Strength: 100% (standard) 

Free Sulfur Content: ≤1.0% 

Moisture Content: ≤5.0% 

Insoluble Impurities: ≤0.5% 

Fastness Parameters:

Light Fastness: 5-6 

Wash Fastness: 4 

Soap Fastness: 3-4 

Sweat Fastness: 3-4 

Dry Friction Fastness: 4 

Wet Friction Fastness: 3

Dyeing Process Parameters:

Applicable Fibers: Cotton, viscose, linen, lyocell, and other cellulose fibers 

Dyeing Methods: Exhaust dyeing, pad dyeing, yarn dyeing, or batch dyeing 

Dyeing Temperature: 75–90°C 

Reduction Conditions: Sodium sulphide reduction, alkaline dye bath 

Oxidation Methods: Air oxidation / Hydrogen peroxide oxidation 

Post-Treatment: Recommended soap boiling and fixing to improve fastness