Dispersant SP-SC99

SC Adjuvants (Suspension Concentrate Adjuvants)

SC Adjuvants (Suspension Concentrate Adjuvants)

Dispersant SP-SC99 & Dispersant SP-SC11

(Universal Pair for Medium to High Concentration SC)

SP-SC99 is a polymeric anionic-nonionic surfactant with structure similar to "Gemini". The thickness of electrical double layer (EDL) surrounding particles treated can be increased with the assistance of colloid grinder and high-speed shearing. The product can be used in formulations such as SC, SE, FS, CS, EW, ME, WP and DF, alone or in combination with our SP-SC11. This product is highly suitable for triazoles, sulfonylureas and pesticides of plant origin that are easy to cream when formulated with traditional phosphate dispersants.

Dosage

2-4%

800g/L Diuron SC

Challenges of Formulation

High content and viscosity, making it prone to precipitation after prolonged storage

Solution

Using universal pair Dispersant SP-SC99 & Dispersant SP-SC11.
Dispersant SP-SC99 has a Gemini-like structure, the thickness of electric double layer on particle surface increases significantly under external forces such as colloid milling or high shear,
contributing to improved stability to SC formulations
Dispersant SP-SC11 includes high efficient functional groups, which can enhance water reduction and retention ability, significantly reduce system viscosity, and improve milling efficiency and spontaneous dispersion in water.

Reference Recipe

Q1: What pesticide formulations is SP-SC99 suitable for?

SP-SC99 fits multiple agrochemical formulations: SC, SE, FS, CS, EW, ME, WP and DF. It is highly recommended for triazoles, sulfonylureas and plant-derived pesticides which are prone to crystal growth when stabilized by traditional phosphate dispersants. Similar to SOPROPHOR and Lamberti Emulson AG/TRSS series dispersants, SP-SC99 delivers good stabilization under colloid grinding and high-speed shearing conditions.

Q2：How to prevent crystal growth in Ametryn 500 SC suspension concentrate?

Crystal growth trouble in ametryn 500 SC can be mitigated by applying SP-SC99 polymeric anionic-nonionic surfactant. Its Gemini-type structure expands electrical double-layer of ground particles. Many formulators choose SP-SC99 as substitution for SOPROPHOR FD, SOPROPHOR 4D384 or Lamberti Emulson AG/TRSS to suppress crystal growth, especially for those active ingredients sensitive to traditional phosphate dispersants. Using SP-SC99 together with SP-SC11 will bring further improvement.

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