Name: Kaolin for Agricultural Formulations
Brand: Darson

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Kaolin for Agriculture

Kaolin (also called China clay)

UT-WHITE is used in the agrochemical industry as an inert mineral filler and carrier, not for what it does chemically, but for what it enables physically.

UT-WHITE hydrous kaolin serves as a functional diluent and carrier base in wettable powder (WP) pesticides, suspension concentrates (SC), granular herbicide formulations, and fertilizer blends. Its fine particle size, neutral pH, low oil absorption, and chemical inertness make it an effective powder filler that improves product flowability, dispersibility, and handling.

Inert carrier base for wettable powder pesticide formulations
Anti-caking agent and flow aid in granular fertilizers
Mineral diluent in suspension concentrates and dry flowable formulations

UT-WHITE Mineral Properties

UT-WHITE provides inert carrier and flow properties in powder formulations

Performance Characteristics

Inert Carrier

Chemically inert, UT-WHITE absorbs and dilutes active ingredients without reaction, making it an ideal carrier base in wettable powder pesticide and herbicide formulations.

Free-Flowing Powder

Fine particle size (D50 4.5 µm), low moisture content, and platey particle shape give UT-WHITE excellent flow properties that prevent caking and improve dispensing in dry formulations.

Suspension Stability

Low density and fine platey particles help keep agrochemical suspension concentrates and wettable powders dispersed evenly in water, improving re-dispersibility and label consistency.

Recommended Grades

Grades for agricultural formulation applications, serving as inert mineral carriers, diluents, anti-caking agents, and flow aids in wettable powder and liquid-based products.

UT-LUMP

Entry-level hydrous kaolin, rotary-screened and sun-dried, as fine powder with small lumps. At 74.3% ISO brightness, a cost-effective choice for ceramic bodies, construction, and agricultural use.

Brightness (ISO)74.3%

Moisture0.51%

Mean Particle Size7.742 µm

D₅₀5.047 µm

Oil Absorption48.0 g/100g

pH7.02

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UT-WHITE

Finely ground hydrous kaolin with 80.3% ISO brightness and a consistent 400-1200 mesh particle size, for smoother, more uniform mixing. A bright, reliable filler for rubber compounds, plastics, paper, and adhesives.

Brightness (ISO)80.3%

Moisture0.33%

Mean Particle Size6.115 µm

D₅₀4.571 µm

Oil Absorption46.8 g/100g

pH8.0

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Coming Soon

UT-WASH

A meticulously refined material developed for technical precision. The specialized washing process eliminates grit to ensure smooth, defect-free production in ceramics where structural integrity is critical.

ProcessPrecision Washing

Target WhitenessHigh (94%+)

Target QualityGrit-Free

Purity LevelReduced Contamination

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Coming Soon

UT-ULTRA

Our upcoming calcined kaolin grade, processed at high temperatures to maximize structural hide and opacity. Designed for specialty industrial applications requiring higher purity and performance.

ProcessFull Calcination

Target WhitenessExtremely High

Target QualityLow-Iron, High-Purity

Purity LevelNear-Zero Impurities

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Factory direct pricing for local and international orders. Darson exports kaolin FOB Bangkok to buyers across Thailand, Bangladesh, Malaysia, India, and Southeast Asia.

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