SP-SC29 - JIANGSU SINVO TECHNOLOGY CO., LTD.

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Wetting and Dispersing Agent

SP-SC29

Polymeric amphiphilic anionic-nonionic surfactant with a Gemini-like structure. It can increase the thickness of the electric double layer on particle surfaces and often be used compounded with SP-27001 in pesticide formulations like SC, SE, FS, CS, EW, ME, WP, DF.

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Product Details

1. Product Introduction

A polymeric amphiphilic anionic-nonionic surfactant with a Gemini-like structure. Under external forces like those in colloid mills or high-speed shearing, it increases the thickness of the electric double layer on particle surfaces. It can be used alone or compounded with SP-27001 in pesticide formulations like SC, SE, FS, CS, EW, ME, WP, DF. Particularly suitable for FS or SC of pesticides prone to pasting with conventional phosphate ester dispersants, such as triazoles, ureas, and botanical sources like Emamectin Benzoate.

2. Physical and Chemical Properties

Item	Typical Value
Appearance/Color (25°C)	Yellow viscous liquid
Water Solubility	Miscible with water
pH Value (1% aqueous solution, 25°C)	6.2
Density (25°C, kg/m³)	1008
Rotational Viscosity (25°C, mPa·s)	16800

3. Product Features

SP-SC29 features a special gemini structure that enables effective adsorption onto the surface of raw materials. It not only provides dispersing properties but also offers excellent emulsifying effects. It can be used alone or added at 1–3% based on the original formulation. When combined with the polycarboxylate SP-27001, SP-SC29 effectively resolves most suspension concentrate (SC) formulation issues. When used together with calcium dodecylbenzene sulfonate in emulsifiable concentrates (EC), it provides resistance to 3-fold hard water. It can also be added to wettable powders (WP) and water-dispersible granules (WG), and is suitable for use with low-melting-point pesticides.

4. Application Examples

Formulation Name	Formulation Composition	Features
400 g/L Buprofezin SC	SP-SC29:SP-P511:SP-N510=4:1:2=7%	Effectively controls foam generation; no particle aggregation during storage.
600 g/L Clothianidin SC	SP-SC29:SP-SC3294=2:3=5%	Resolves long-term stability issues for high-content clothianidin.
500 g/L Ametryn SC	SP-SC29:SP-2836:SP-N510=3:0.5:0.5=4%	Improves formulation versatility and effectively prevents formulation aging.
720 g/L Chlorothalonil SC	SP-SC29:SP-27001=5%	High grinding efficiency; no flocculation during formulation dilution in water.
480 g/L Thiacloprid SC	SP-SC29:SP-27001=2:2=4%	No oxidation during grinding and heat storage.

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