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【Product Description】

Sandgel BP, a natural high-quality magnesium aluminum silicate, is an environment-friendly mineral material processed from the mineral colloids contained in the clays such as smectite, bentonite and palygorskite through purification, washing, flaking, modification and composition compounding.

SandGel BP inorganic gel material is a non-toxic, tasteless white powder or sheet material. It has excellent expansibility after dispersing and hydrating in water medium, forming a "card Palace" structure gel. It has excellent suspension, thixotropy, thickening, adsorption and stability. It is especially suitable for Agro chemical products industry. It has many aspects of pesticide suspension, storage stability and usability. Improve regulation.


【Product Efficacy】

1. Superior suspension performance, effectively prevent particle settling and fully improve dispersion;

2. Excellent thickening and thixotropic properties, used as suspension stabilizer and thixotropic regulator;

3. Excellent physical and chemical stability;

4. Binder and disintegrator of solid particles;

5. The colloid is even and fine, without particle sense.


【Product Specifications】


Product SandGel BP
Viscosity range 1000-2000mPa•s
Suitable PH range ≥6.0
Application Area Agrochemical products
Typical scope of application 0.5%~5.0%


【Technical indicators and specifications】

Typical chemical composition

Note: harmful elements Pb<20ppm,As<2ppm,Meet the requirements of relevant indicators in the pharmaceutical and food industries.




【usage method】




*The above is only a preliminary evaluation. This proportion is based on the research results of rheology when no other ingredients are added and only water is available. In a certain formula, the best proportion may be different.


Recommended mixing process

a. Before adding other components, sandgel BP and organic thickener were mixed with water at a concentration of 2-5wt% respectively to prepare sol, and then mixed uniformly in proportion under constant stirring.

b. Before adding other components, sandgel BP and organic thickener can be added into water at the same time under constant agitation to prepare suspension or sol system.

c. Before adding other components, sandgel BP is prepared into sol in hot water, and then organic thickener is added into sol under constant stirring until uniform colloid is formed.


【Recipe example】





【Operation process】:

A. pre gel preparation: SandGel BP is made into sol in hot water, then continuously stirred, the xanthan gum is added into the sol, and then agitated until a uniform colloid is formed.

b. Preparation of grinding fluid: under the condition of high-speed shearing, add water to the raw drug and other additives in the formula (except sandgel BP and xanthan gum) to make a uniform suspension.

c. Sanding: input the dispersed suspension into the sanding machine, and wet grind until the average particle size of the original drug is 2-5 μ M.

d. plus pre gel: pre prepared pre gel is added into the slurry to be evenly mixed according to the measurement.


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