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  1. Home
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  3. Flowable Concentrates for Seed Treatment (FS)

Flowable Concentrates for Seed Treatment (FS)


Flowable concentrate (FS) formulations are suspensions of solid active ingredients in water which are applied to seeds prior to planting.

FS formulations are a modification of suspension concentrates (SC) with supplemental additives for adhesion to the seed surface and colourants as safety markers to indicate that a seed has been treated with a product.

FS formulations are now the most popular type of seed treatment because they are concentrated formulations and are safer to apply as they are water based.

The Formulator's Toolbox
The Formulator's Toolbox

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FS formulation diagram

Benefits

  • Aqueous based and dispersible in water which means good safety and user convenience
  • Low potential for germination issues
  • Have good retention on the seed
  • No dust problems as it is a liquid formulation
  • Easy to clean up seed treatment machinery post-treatment

Limitations

  • Storage stability may be affected by temperature extremes
  • High loading levels may cause stickiness and poor flow properties of the seed

Seed treatment formulations usually contain multiple active ingredients and/or high loading levels. Additionally, the active ingredient has to be accurately and evenly spread over the seed surface and must remain there throughout storage, drilling and while the seed starts to germinate. To successfully develop these types of formulations, superior formulation additives are essential. The high performance requirement and complexity of seed treatments means formulating is the focal challenge. We simplify formulation development with our Seed Vision™ range which brings seed treatment innovation into focus.

Seed Vision Guide

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Recommended Products for FS

  • Dispersants
  • Wetting agents and co-dispersants
  • Rheology modifier

Dispersants

The use of polymeric dispersants are highly recommended due to their higher molecular weight, large repulsive barrier and many anchoring groups per molecule. This enables highly loaded, stable seed treatments to be formulated.

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Atlox Metasperse™ 500L

Modified styrene acrylic polymer

A modified styrene acrylic polymeric aqueous dispersant in liquid form which exhibits excellent hard water tolerance.

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Atlox™ 4913

Acrylic copolymer solution

A versatile nonionic polymeric aqueous dispersant Ideally partnered with Atlas G5002L as a wetting agent Suitable for a large range of organic and.....

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Wetting agents and co-dispersants

It is important to include a wetting agent as during the milling process, fresh surfaces are generated which are generally of non-polar nature and will flocculate together rapidly. This could lead to increased viscosity and even mill blockage. Including a wetting agent overcomes this as it replaces air and prevents agglomeration, allowing dispersants to perform. Wetting agents can also provide some dispersion.

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Atlas™ G-5002L

Polyalkylene oxide block copolymer

A high HLB polymeric emulsifier or wetting agent in liquid form providing long term stability It is commonly used in combination with Atlox™ 4916.....

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Atlas™ G-5004 LD

Block copolymer

A demineralised version of Atlas™ G-5002L. It is used as a high HLB emulsifier for active ingredients that are sensitive to mineral presence.

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View product details

Atlox™ 4894

Nonionic proprietary surfactant blend

Recommended as a wetting agent in combination with Atlox 4913 in aqueous based suspensions when Atlas G-5002L is not dymanic enough to provide.....

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View product details

SP Crodasinic™ LS-30 MBAL

Sodium lauroyl sarcosinate

A sarcosinate based wetting agent showing good performance in electrolyte conditions Crystal growth inibition properties observed in fertiliser.....

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Rheology modifier

If an FS is not properly structured, the formulation can breakdown resulting in solid particles settling to the bottom of the formulation. This leads to reduced shelf life stability and poor performance in the field. The inclusion of a rheology modifier helps overcome this issue by increasing the viscosity of the formulation, providing improved stability. Please note Atlox Rheostrux™ is not EPA cleared.

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Atlox Rheostrux™ 300A

Polyquaternium 37 emulsion

Rheology modifier designed for aqueous formulations Excellent performance seen in acidic conditions necessary for certain active ingredients.....

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Formulation Finder

Formulation Finder

Browse our range of fully developed formulations for inspiration and guidance.

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Incotec Seed Enhancement

Visit the Incotec website to learn more about seed enhancement.

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Seed Treatment

Seed Treatment

Discover more about seed treatments including formulations and seed enhancing processes.

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  • Adjuvants
  • Capsule Suspension (CS)
  • Concentrated Aqueous Emulsion (EW)
  • Emulsifiable Concentrate (EC)
  • Microemulsions (ME)
  • Oil Dispersion (OD)
  • Suspension Concentrate (SC)
  • Suspoemulsion (SE)
  • Water Dispersible Granule (WDG)
  • Wettable Powder (WP)
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Crop Care

With our industry-leading technologies and unique formulation expertise, our unmatched range of additives and adjuvants help crop customers get the best performance out of their products, enabling farmers to get the best yields from their crops.

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