Certificate of Analysis-COA
Agricultural grade
Item | Standard | Result |
Sample Name | SAP Potassium | SAP Potassium |
Type | SDK351 | SDK351 |
Particle Size (mesh) | 5-10 mesh | 5-10 mesh |
Appearance | White Granules | White Granules |
Water retention rate (pure water, ml/g) | ≥350 | 360 |
Moisture (%) | ≤8 | 7.5 |
pH (1% aqueous solution) | 6.5-7.5 | 6.8 |
Monomer content (ppm) | ≤500 | 420 |
Absorption in 0.9% NaCl | ≥30 | 38 |
Potassium Content (%) | ≥7 | 9 |
Drilling grade
Test Item | Specification | Result |
Moisture, % | ≤ 10 | 7.5 |
Potassium content, % | 11–16 | 13 |
Degree of hydrolysis, % | 27–35 | 31 |
Chloride ion content, % | ≤ 1 | 0.58 |
Intrinsic viscosity, 100 mL/g | ≥ 6 | 8 |
Applications
1. Soil Water Retainer For Agriculture: The cross linked network absorbs hundreds of times its weight in water and releases it slowly to the root zone, so growers cut irrigation frequency and keep crops supplied through dry spells, with field work reporting markedly higher water retention and field capacity in sandy soils.
2. Potassium Chemistry That Will Not Salinise Soil: Because the counter ion is potassium rather than sodium, repeated application does not build up sodium in the soil the way sodium polyacrylate can, which makes this the grade of choice for salinity sensitive soils and long term programmes.
3. Water Reservoir For Horticulture And Revegetation: Nurseries, landscapers and revegetation crews mix the granules into substrate and backfill for lawns, fruit trees, vegetables and forest regreening, where the stored water carries seedlings and transplants through establishment.
4. Scale Inhibitor And Dispersant In Industrial Water: Polyacrylate chemistry of this type is used in cooling water, boiler water and desalination systems as a scale inhibitor and dispersant that keeps mineral salts from depositing, and it serves cleaning and slurry systems as a dispersing agent.
5. Absorbent Polymer For Hygiene Products: Superabsorbent polymers of this family see their major volume use as body fluid absorbents in hygienic disposal products, where the cross linked network locks fluid in place under load.
Quality Assurance
Every batch of chemicals leaves our factory with complete laboratory documentation — not a promise, but verifiable test data. From incoming raw material inspection to finished-goods release, each batch is tested against published specifications, and a Certificate of Analysis (COA) accompanies every single shipment. What you order is exactly what we test — and what we ship.
Tested by our in-house ISO 9001:2015 laboratory. Verified independently by third-party labs on request (SGS / BV / Intertek). Traceable from raw material to your warehouse.
Packaging
25KG woven bag
25KG kraft paper bag
Ton bag
Export-grade packaging, custom labels
Solids (woven bags/cardboard drums/ton bags)
Liquids (plastic drums/IBC/ISO tanks)