Polyacrylamide Anti-Drift Agent
CAS Number: 9003-05-8
High-molecular-weight polyacrylamide (PAM) is used as an anti-drift agent in agricultural sprays to increase spray droplet size, reduce fine mist generation, and minimize off-target drift under field conditions. When added to spray tanks at low concentrations (0.01–0.1%), PAM viscoelastic properties shift the droplet size distribution towards larger, less drift-prone droplets while maintaining acceptable coverage. It is particularly valuable in aerial application and high-risk drift scenarios near sensitive areas.
Technical Specifications
| appearance | White powder or granule |
| moisture (%) | ≤10 |
| active ingredient (%) | ≥90 |
| hydrolysis degree (%) | 10–30 |
| molecular weight (Da) | 5×10⁶ – 20×10⁶ |
| viscosity (0.1%, mPa·s) | 5–20 |
Applications
- Aerial and ground spray anti-drift additive
- High-wind condition spray drift reduction
- Sensitive area buffer zone spray management
- UAV (drone) spray application drift control
- Tank-mix drift reduction in orchard and vineyard applications
Key Features
- Effective drift reduction at very low use rates (100–200 g/ha)
- Compatible with most herbicide, fungicide, and insecticide formulations
- Non-ionic and anionic grades for pH-sensitive tank mixtures
- Rapidly dispersible in spray tank without clumping
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CAS Number
9003-05-8
Category
Agricultural / Crop ChemicalsAvailability
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