PEO CAS 25322-68-3 Seed Coating Polymer for Agricultural Application
Polyethylene Oxide (PEO, CAS 25322-68-3) is linear nonionic water-soluble polyether polymer designed for agricultural seed coating systems. When blended into seed coating suspension, PEO acts as multifunctional binder and film former. It forms continuous pliable coating film after drying, firmly attaching agrochemicals and nutritional components onto seed surface. Once sown into soil, the film absorbs water and slowly swells to release active substances. The coating maintains proper gas permeabi
Product Overview
Polyethylene Oxide CAS 25322-68-3 is high purity water-soluble polymer specially developed for agricultural seed coating. Conventional seed coating polymers often suffer from brittle film, easy peeling, poor air permeability or uncontrollable active substance release. This PEO grade delivers balanced film flexibility and adhesion strength. It reduces coating shedding during seed transportation, realizes sustained release of agrochemicals, protects seedlings from early-stage diseases and pests, and improves seed survival rate for seed treatment manufacturers.
Key Features
- CAS Number: 25322-68-3, Appearance: White free-flowing fine powder
- Excellent film-forming and binding performance for seed coating suspension
- Form flexible uniform coating, effectively reduce peeling and dust loss during seed transport
- Moderate water swelling property to achieve sustained release of pesticide and nutrients
- Good oxygen permeability, no negative influence on seed germination rate
- Low toxicity, favorable compatibility with fungicides, insecticides and plant nutrients
- Stable aqueous rheology, convenient for industrial continuous seed coating operation
- Multiple molecular weight grades to adjust film dissolution and release rate
Main Applications
- Film forming binder for grain, vegetable and cash crop seed coating agent
- Functional polymer for water-based seed treatment suspension formulations
- Auxiliary additive for sustained-release agrochemical seed processing formula
- Raw material for biodegradable seed wrapping water-soluble film
Usage Guidance
Gradually disperse PEO powder in deionized water under gentle stirring to avoid agglomeration and fish-eye particles. Prepare mother liquor before mixing with pesticide, pigment and other additives. Conduct lab coating test to optimize dosage and film performance. Avoid long-time high-shear stirring which breaks polymer chains and weakens film-forming capacity. Germination testing is strongly recommended after formula development.
Storage & Package
Keep package tightly sealed. Store in cool, dry and ventilated warehouse, avoid moisture, high temperature and direct sunlight. Standard package: 25kg kraft bag with inner PE liner. Shelf life: 12 months under properly sealed storage.
Service Support
Agricultural formulation test samples available. TDS and COA documents can be supplied upon request. Stable bulk supply capacity. Welcome to inquire factory quotation.
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