Calcium Lignosulfonate (Wood Pulp)

CAS NO:8061-52-7

Product Introduction

Calcium Lignosulfonate is a high-performance anionic surfactant produced from natural wood pulp lignin through sulfonation, purification, concentration and spray drying. It is a brownish yellow powder, easily soluble in water, non-toxic, non-polluting, with excellent dispersibility, adhesion, chelation and stability. It is a widely used, eco-friendly and renewable industrial additive.

1. Typical Specifications

· Appearance: Brown yellow powder

· pH Value: 4.5-7.0

· Moisture: Max.4.0%

· Water Insoluble Matter: Max.0.50%

· Lignin Content: Min.65%

· Reducing Substances: Max.12%

2. Key Features

1. Made from high-quality wood pulp, with stable performance and high purity

2. Good water solubility, strong dispersibility and excellent binding capacity

3. Multi-functional: water reduction, retarding, binding, dispersing and chelating

4. Non-corrosive, non-flammable, safe to use and easy to store

5. Natural, renewable and biodegradable

3. Main Applications

Construction Industry

· Concrete water reducer and plasticizer: Improves workability, reduces water consumption, enhances strength and durability

· Retarder: Extends setting time, suitable for mass concrete and hot weather construction

· Binder for refractories and ceramics: Improves green strength, reduces cracking and defects

· Gypsum board additive: Improves processability and product uniformity

Agriculture & Horticulture

· Fertilizer binder: Used for granulation of compound fertilizers, improves particle hardness

· Anti-caking agent: Prevents fertilizer agglomeration, improves fluidity

· Soil conditioner: Improves soil structure, enhances water and nutrient retention

· Pesticide dispersant: Improves suspension rate and adhesion of pesticides

Animal Feed

· Feed binder: Improves pellet formation rate and durability, reduces fines

· Feed additive: Promotes digestion and absorption, improves feed utilization

Industrial & Specialty Uses

· Dust control agent: Used for road dust suppression and construction site dust control

· Mineral processing agent: Improves ore flotation and separation efficiency

· Coal & mineral binder: Used for briquetting and pelletization

· Dye & pigment dispersant: Improves dispersion stability and color uniformity

· Adhesive raw material: Used in wood-based panels and molding materials