Calcium Lignosulfonate Agricultural Grade: Specs and TDS

Calcium lignosulfonate powder sample
Product codeGAC-CaLS-AGRI
AppearanceYellow-brown powder
Lignosulphonate60% min (dry basis)
Insolubles0.2% max
Packaging20/25 kg bags · 500/600 kg FIBC

Product Overview

Calcium lignosulfonate is a calcium-based lignosulfonate powder used where agricultural formulations need binding strength, particle dispersion, water solubility, and practical powder handling.

In agriculture, it is commonly evaluated for drip irrigation compatibility, fertilizer granulation, wettable powder dispersion, micronutrient premixes, and soil-related or mineral-based blends.

Agriculture and Fertilizer Applications

Drip Irrigation

Considered for water-soluble agricultural input systems where solubility, filtration behavior, mineral compatibility, and field-use dosage require trial confirmation.

Compound Fertilizer Granules

Evaluated as a binder for NPK, mineral, and blended fertilizer granules where strength, dusting, and handling stability matter.

Organic-Mineral Blends

Supports granulation and particle cohesion in organic-mineral formulas containing humic materials, minerals, or plant nutrition carriers.

Soil Conditioner Products

Used as a lignin-derived formulation component in soil-related blends where organic carbon positioning and processing support are needed.

Wettable Powder Systems

Helps disperse fine particles in selected water-based agricultural formulations after compatibility and suspension testing.

Micronutrient Premixes

Can support mineral and trace-element dispersion where calcium, magnesium, water hardness, and pH compatibility are verified.

Crop Input Pellets

May reduce dusting and improve pellet handling in selected crop input, carrier, and granule systems after crop-safety review.

Specifications

Item GAC-CaLS-AGRI (TDS Rev. 2.0)
Product CodeGAC-CaLS-AGRI
AppearanceYellow-brown powder
Water-insoluble matter0.2% max
pH4–7
Lignosulphonate content60% min (dry basis)
Dry matter95% min
SulphateAbout 5%
Total calcium and magnesium (as sulfate)5–6%
Sugar15%
Total NPKAbout 10%
Moisture5% max

Typical values from the current Agri-Grade TDS; each lot ships with a COA. Final specifications should be confirmed with the current TDS, SDS, COA, sample result, and commercial contract before purchase.

Grade Selection Guide

For granulation, compare binder dosage, granule hardness, friability, drying temperature, dusting rate, and storage stability against your current binder or processing aid.

For drip irrigation, dispersing, or suspension use, verify filtration behavior, water hardness, particle size, slurry behavior, pH range, calcium sensitivity, and compatibility with active ingredients or mineral nutrients.

Packaging and Loading

Calcium lignosulfonate is supplied as powder in export-ready packaging for container shipment.

Packaging: 20 kg or 25 kg woven bags with polyethylene liner, or 500 kg / 600 kg jumbo bags (FIBC). Palletized and non-palletized loading can be discussed by destination market.

Store in a sealed, dry, and ventilated place. Protect from rain, moisture, and contamination during storage and transport.

Buyer Checklist

Application SystemConfirm whether the product is for drip irrigation, granulation, soil blending, wettable powder, mineral premix, or crop input pellets.
Performance TargetDefine granule strength, dust reduction, dispersion, solubility, storage stability, or handling improvement.
Quality DocumentsRequest current TDS, SDS, COA, sample information, packing list, invoice, and export documentation.
Trial ConditionsShare dosage range, raw materials, moisture level, equipment type, drying condition, and destination market.

Technical Documents: TDS and SDS

Download the 2026 technical data sheet and safety data sheet of each grade. The COA of your batch is supplied with each shipment.

GradeTechnical data sheetSafety data sheet
Calcium lignosulfonate, agri grade (GAC-CaLS-AGRI)TDS (PDF)SDS (PDF)
Calcium lignosulfonate, Grade One (GAC-CaLS-1)TDS (PDF)SDS (PDF)

FAQ

What is calcium lignosulfonate used for in agriculture?

It is used as a lignin-based binder, dispersant, and formulation aid in drip irrigation, fertilizer granulation, organic-mineral blends, soil conditioner products, wettable powders, micronutrient premixes, and crop input pellets.

Can calcium lignosulfonate be used in drip irrigation?

It can be considered for selected water-soluble agricultural input systems, but buyers should confirm filtration behavior, water quality, dosage, compatibility, and local application requirements before field use.

Can calcium lignosulfonate improve fertilizer granule strength?

It may help improve particle cohesion and reduce dusting, but final results depend on dosage, fertilizer raw materials, moisture, granulation equipment, drying conditions, and storage requirements.

Is it suitable for soil conditioner blends?

It can be considered as a lignin-derived formulation component in soil-related blends, but agronomic performance should be verified by formulation design, dosage, crop system, soil condition, and local requirements.

What documents should buyers request?

Buyers should request TDS, SDS, COA, sample information, packaging details, and application notes for the intended fertilizer, soil, or crop input formulation.

How is calcium lignosulfonate different from sodium lignosulfonate?

The main difference is the cation type. Calcium lignosulfonate contains calcium as the main cation, while sodium lignosulfonate contains sodium. Selection depends on solubility, formulation compatibility, application target, handling preference, and test results.

Request Calcium Lignosulfonate for Agricultural Formulation

Share your target formulation, raw materials, dosage range, packaging preference, destination market, and required documents. China Lignin can support sample testing, technical data, and export quotation.