Potassium Lignosulfonate for Agriculture and Fertilizer Formulations
Potassium lignosulfonate is a water-soluble lignin-based binder, dispersant, and formulation aid with K2O relevance for fertilizer, agriculture, soil-related, micronutrient, granulation, and selected industrial systems.
China Lignin supplies GAC-KLS for buyers who need lignosulfonate performance together with potassium relevance. Final suitability should be confirmed by K2O target, pH, dosage, water-insoluble matter, fertilizer raw material compatibility, crop and soil context, local regulations, and buyer trials.
Potassium Relevance
Contains K2O, making it useful for fertilizer and soil-related formulation evaluation.
Water Soluble
Suitable for many compatible spray, drip, micronutrient, and water-based formulation systems.
Formulation Support
Can be evaluated as a binder, dispersant, chelate-support ingredient, or process aid.
Answer-First Product Overview
Potassium lignosulfonate is the potassium salt form of lignosulfonate, a water-soluble lignin derivative. It is commonly selected where buyers want lignosulfonate dispersion and binding behavior together with potassium-content relevance for agriculture-focused formulations.
Buyer Note
Do not treat potassium lignosulfonate as a universal crop-yield or soil-remediation guarantee. Agricultural performance depends on formulation design, K2O target, dosage, water quality, soil condition, crop system, and local field validation.
Main Specification
This specification follows the current China Lignin potassium lignosulfonate page. Buyers should confirm the latest TDS, COA, SDS, sample result, and commercial contract specification before bulk order.
| Item | GAC-KLS | Buyer note |
|---|---|---|
| Name | Potassium lignosulfonate | Confirm selected grade before order |
| Product code | GAC-KLS | Use for quotation and specification reference |
| Appearance | Yellow brown powder | Useful for blending, handling, and visual acceptance |
| pH value | 4-7 | Important for fertilizer, spray, drip irrigation, and soil-related compatibility |
| Dry matter | 95% min | Supports solids evaluation, storage, and loading calculation |
| Water-insoluble | 1.0% max | Relevant for spray, drip, filtration, and aqueous formulation systems |
| Sulfate | 2% min | Confirm if the formulation is sensitive to inorganic salts |
| K2O | 10% min | Key potassium indicator for agriculture and fertilizer positioning |
| Lignosulfonate | 55% min | Key lignin-derived active component indicator |
| Density | 0.532 g/cm3 | Useful for packaging, handling, and loading estimates |
| Moisture | 7% max | Important for flowability, storage stability, and shipment planning |
Agriculture and Fertilizer Applications
Potassium lignosulfonate can be evaluated in agriculture markets where potassium relevance, lignin-derived organic material, binding support, dispersion, spray compatibility, or granulation performance may be useful.
Fertilizer Formulations
Binder, dispersant, or potassium-containing formulation aid where GAC-KLS chemistry fits.
Spray and Drip Products
Water-soluble lignosulfonate component after water-insoluble, filtration, and tank mix testing.
Micronutrient Blends
Dispersion and chelate-support behavior for selected trace element and mineral systems.
Fertilizer Granulation
May support particle binding, reduced dusting, and granule handling after process trials.
Soil-Related Inputs
Lignin-derived component with potassium relevance for soil product concepts and trials.
Water-Based Processing
Dispersant or suspension-support ingredient in compatible agriculture production lines.
Grade Selection Guide
Choose potassium lignosulfonate when K2O, potassium-form relevance, water solubility, and agriculture positioning matter. Compare it with ammonium, sodium, calcium, magnesium, liquid lignosulfonate, and lignin products when nitrogen content, sodium level, cation profile, or handling form is more important.
- K2O target and label needs
- Spray or drip filtration
- pH and water hardness
- Water-insoluble limit
- Granule strength target
- Soil and crop context
Industrial Applications
Although potassium lignosulfonate is strongly relevant to agriculture and fertilizer systems, it can also be evaluated in selected industrial systems where water solubility, dispersion, binding, or lignin-based formulation behavior is useful.
| Industrial use | Common role | Buyer check |
|---|---|---|
| Water-based formulation systems | Dispersant or suspension-support ingredient | Check pH, water hardness, solids loading, and additive compatibility |
| Particle processing | Binder or auxiliary processing aid | Evaluate target strength, drying behavior, dusting, and storage stability |
| Mineral and powder blends | Dispersion and handling support | Test compatibility with minerals, salts, and process water |
| Selected construction systems | Plasticizer or dispersant support where compatible | Check cement compatibility, dosage, setting behavior, and standards |
Packaging and Documents
Potassium lignosulfonate is commonly supplied as powder in export packaging suitable for container shipment. Packaging format, bag weight, palletizing, moisture protection, and loading quantity should be confirmed before order.
| Requirement | What to confirm |
|---|---|
| Packaging | Woven bags with inner liner, palletizing, moisture protection, and buyer-approved export packaging |
| Documents | TDS, SDS, COA, packing list, invoice, and application guidance where available |
| Storage | Keep sealed, dry, and protected from moisture during storage and transport |
FAQ
What is potassium lignosulfonate used for?
Potassium lignosulfonate is used or evaluated as a water-soluble lignin-based dispersant, binder, chelate-support ingredient, and formulation aid in fertilizer, agriculture, soil-related, micronutrient, spray, drip, granulation, and selected industrial systems.
Why is potassium lignosulfonate relevant for agriculture?
It combines lignosulfonate dispersion and binding behavior with K2O relevance, making it useful for buyers developing fertilizer, micronutrient, soil-related, and water-soluble agriculture formulations.
Can potassium lignosulfonate be used for drip irrigation or spray products?
It may be evaluated in compatible water-based systems, but buyers should test water-insoluble matter, filtration behavior, tank mix compatibility, water hardness, storage stability, pH, and local regulatory requirements.
How is potassium lignosulfonate different from ammonium lignosulfonate?
Potassium lignosulfonate is selected where K2O and potassium relevance matter. Ammonium lignosulfonate is selected where ammonium-form and nitrogen content are more relevant. Buyers should compare both by TDS, COA, dosage, pH, and application testing.