1. Description
Seaweed extract obtained from brown seaweed (Ascophyllum nodosum) by alkaline extraction. This grade is supplied as black flakes or powder and is water soluble.
2. Specification
Typical values from the current Technical Data Sheet (TDS v1.0) of each grade; test methods are stated in each TDS.
| Parameter | Seaweed Extract Flake 14–16% (SH-SW-02F) |
|---|---|
| Appearance | Black flakes / powder |
| Alginic acid | ≥ 14.0% |
| Organic matter | ≥ 40.0% |
| Algal polysaccharides | ≥ 30.0% |
| Potassium as K₂O | ≥ 14.0% |
| Amino acids | ≥ 2.1% |
| Nitrogen (N) | ≥ 1.0% |
| Phosphorus as P₂O₅ | ≥ 1.0% |
| Water solubility | 100% |
| Moisture | ≤ 5.0% |
| pH | 8.0 – 11.0 |
| Lead (Pb) | ≤ 50 mg/kg |
| Cadmium (Cd) | ≤ 10 mg/kg |
| Mercury (Hg) | ≤ 5 mg/kg |
Seaweed Extract 14–16%: grades, supply and documents
Key figures are taken from the current Technical Data Sheet (TDS) of each grade. Batch results are stated on the Certificate of Analysis (COA) issued with each shipment.
| Grade | Key figures (TDS) | Code | Form |
|---|---|---|---|
| Seaweed Extract Flake 14–16% | ≥ 14.0% alginic acid; ≥ 14.0% K₂O; ≥ 40.0% organic matter | SH-SW-02F | Black flakes / powder |
Applications
- Foliar and fertigation formulations
- Ingredient for water-soluble and organic fertilizers
Solubility and formulation notes
- Seaweed Extract Flake 14–16%: water solubility: 100%, pH: 8.0 – 11.0
Application rates depend on crop, soil and formulation. Please contact us for technical guidance and run a small-scale trial before large-scale use.
Packaging and storage
- Packaging: 1 / 5 / 10 / 20 / 25 kg bags with inner PE liner; 1,000–1,100 kg jumbo bag; custom packaging on request
- Storage: cool, dry, well-ventilated place in the original closed packaging; protect from moisture; reseal opened bags.
- Shelf life: 24 months in original, unopened packaging.
Documents
- Seaweed Extract Flake 14–16%: Technical Data Sheet – SH-SW-02F (PDF) · Safety Data Sheet – SH-SW-02F (PDF)
- Batch Certificate of Analysis (COA): issued with each shipment
Samples and quotation
Send us the grade, quantity, packaging and destination country, and we will reply with a quotation and the documents. Samples are available on request. Request a sample or quotation
Technical notes
Values in a TDS are typical values, not a specification. Users should determine the suitability of the product for their own application and comply with the regulations of the destination market. For safety information, refer to the SDS of each grade.