Industrial Applications

Kaolin for Plastics

Prevents film sticking blocking and improves thermal properties in agriculture.

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Kaolin for Plastics

In plastic film production (PE/PP), smooth layers tend to stick together due to strong surface contact (blocking), making them difficult to unroll.

Kaolin creates microscopic "bumps" on the film surface. This roughness prevents the layers from sealing flat against each other, allowing easy unrolling. Additionally, Calcined Kaolin absorbs Infrared (IR) heat, making it perfect for greenhouse films to retain heat at night (Thermic Effect).

  • Prevents Film Blocking
  • Absorbs Infrared (IR) Heat
  • Improves Electrical Insulation (Cable)

Anti-Blocking Mechanism

Layer 1 Layer 2 Air Gap (No Sticking)

Kaolin particles create separation between film layers

Performance Characteristics

High
IR Absorption

Traps heat in greenhouses (thermic effect) better than silica.

Low
Haze

Fine particle size maintains transparency of the plastic film.

Inert
Chemical

Compatible with all major polymers (PE, PP, PVC, PET).

Our Product Solutions for Plastics

RECOMMENDED
Premium Grade Kaolin

Premium Grade

UT-ULTRA Series

High brightness calcined kaolin. Excellent for anti-blocking in films and electrical insulation in PVC cables.

HazeLow
Brightness> 92%
ElectricalExc.
Download Spec Sheet
High Grade Kaolin

High Grade

UT-WHITE Series

Hydrous kaolin with fine particle size. Good for general film filling and opacity improvement.

SiO248.5%
Al2O336.0%
Whiteness> 85%
Download Spec Sheet
Standard Grade Kaolin

Standard Grade

UT-CLAY Series

Economical filler for general molded plastic parts where color and clarity are less critical.

SiO248.5%
Al2O336.0%
Particle400 Mesh
Download Spec Sheet

Frequently Asked Questions

Does kaolin affect film transparency?

Our Premium Grade (UT-ULTRA) is processed to minimize haze, maintaining good clarity while providing the necessary anti-blocking friction.

Which polymers is it compatible with?

It is compatible with most thermoplastics including Polyethylene (PE), Polypropylene (PP), PVC, and PET.

Is it used in cable manufacturing?

Yes, Calcined Kaolin is an excellent electrical insulator. It is widely used in PVC wire and cable insulation to improve volume resistivity.

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Factory direct pricing for local and international orders.

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DARSON CO., LTD
Kampaengsaen, Nakhon Pathom, Thailand