Suspension Concentrates (SC)

In SC formulations the active ingredient content can generally be between 10-70 wt %. The pesticide is present as water-insoluble solid particles. The particle size is also dependent on the fabrication method (i.e., type of mill, milling time). Together with anionic/non-ionic wetting and dispersing agents a suspension is formed. For a long-term stable formulation, the settlement of the particles must be inhibited. To achieve this polymeric or inorganic viscosity stabilizer are usually employed.

Key-factors:

  • Pesticide must be water-insoluble, ideally brittle crystals
  • The viscosity has to be adjusted to avoid settlement of the pesticide

General recipe

SC ingredients w/v%
Active ingredient 10-70
Wetting agent/Dispersing agent 2-5
Anti-settling agent 0,2-2
Biocide 0,01-0,1
Antifoaming agent 0,1-1
Antifreeze (propylene glycol) 5-10
Water to 100

Products


Dispersing agent

Trade name Chemistry Property EPA
LUCRAMUL® 1819 DB Oleyl ethoxylate Nonionic dispersant
LUCRAMUL® PS 16 TSP ethoxylate Nonionic dispersant
LUCRAMUL® PS 29 TSP ethoxylate Nonionic dispersant
LUCRAMUL® PS 54 TSP ethoxylate Nonionic dispersant
LUCRAMUL® AG 201 TSP alkoxylate Nonionic dispersant
LUCRAMUL® DSP 13 Distyrylphenol ethoxylate Nonionic dispersant
LUCRAMUL® DSC Aryl alkoxylate (NP free) Nonionic dispersant
LUCRAMUL® SPS 16 TSP ethoxylate ether sulfate ammonium salt Ionic dispersant
LUCRAMUL® SPS 29 TSP ethoxylate ether sulfate ammonium salt Ionic dispersant
LUCRAMUL® PPS A 16 TSP ethoxylate phosphate triethanolamine salt Ionic dispersant
LUCRAMUL® PPS A 16/60 TSP ethoxylate phosphate triethanolamine salt Ionic dispersant
LUCRAMUL® PPS K 16 TSP ethoxylate phosphate potassium salt Ionic dispersant
LUCRAMUL® AG 433 Alkyl ethoxylate/propoxylate Nonionic dispersant
LUCRAMUL® GCP 01 Graft copolymer Nonionic dispersant
LUCRAMUL® GCP 02 Graft copolymer Nonionic dispersant

TSP = Tristyrylphenol


Adjuvants

Trade name Chemistry Property EPA
LUCRAMUL® DWS Aqueous surfactant blend Matched pair dispersing and wetting surfactant
LUCRAMUL® DWS 02 Aqueous surfactant blend Matched pair dispersing and wetting surfactant
LUCRAMUL® DWS 03 Aqueous surfactant blend Matched pair dispersing and wetting surfactant
LUCRAMUL® DIWA 1 Aqueous surfactant blend Matched pair dispersing and wetting Surfactant
LUCRAMUL® EXG Xanthan Gum based Rheological modifier
LUCRACHEM® VIS 1 Polyurethane based Rheological modifier

EPA can be submitted on request


Defoamers

Trade name Chemistry Property EPA
LUCRAFOAM® S 01 Silicone Silicone based defoamer
LUCRAFOAM® S 04 Silicone Silicone based defoamer
LUCRAFOAM® PDT Mineral oil Mineral oil based defoamer

EPA can be submitted on request