Special Liquid Dye for Papermaking Red R

Paper-making Special Liquid Red R

Product Characteristics: Paper-making Special Liquid Red R is an economical, blue-shade red, liquid anionic direct dye, primarily used for dyeing paper and kraft paper. 

Product Type: Anionic Azo Dye 

Advantages:

● Liquid dye that is easy to apply and handle. 

● Brown-black hue. 

● Easily bonds with fibers.  

● Complies with EU dye regulations. 

● Particularly suitable for dyeing waste paper pulp. 

Technical Specifications

Appearance: Red liquid 

Ionicity: Anionic 

Fastness: Higher fastness compared to similar dyes. 

Strength: 100±3 (relative to standard) 

Viscosity: ≤50 mPa·s (20°C)

Density: 1.05～1.20 g/cm³ 

pH Value: 8.5-10.0

Solubility: Miscible with water in any proportion 

Storage Requirements  

This product has high storage stability; however, if stored below freezing for an extended period, it may solidify. It can be restored to its original state by returning to room temperature or heating, with no adverse effects on performance.

Application Characteristics

This product is miscible with water in any proportion and is mainly used for dyeing kraft linerboard. It exhibits high affinity for fibers containing higher lignin content, such as mechanical pulp, recycled pulp, and unbleached chemical pulp, resulting in excellent dyeing effects. Compared to similar products, it offers higher light fastness. 

Packaging

Standard packaging: 25 kg/drum (plastic drum), 1100 kg/drum (plastic drum)  Custom packaging specifications available upon customer request. 

Safety

Tests indicate that when used as recommended and in compliance with relevant labor protection regulations, this product poses no harm to human health. 

Special Statement

The technical information provided by our company is based on our current understanding of the product. Users should conduct tests to verify the suitability of our products for their intended processes and applications. Many factors can influence the dyeing process, and users are advised not to use the product without prior testing.