Ultrasonic Suspension Fine Dispersion Technology For 20Khz Coating

Hangzhou Shengtu Technology Co., Ltd. is one of the leading manufacturers and suppliers of ultrasonic suspension fine dispersion technology for 20khz coating in China. Welcome to buy high quality customized products at low price from our factory. Contact us for more details.

20 kHz ultrasonic fine dispersion for coating suspensions leverages low-frequency ultrasonic energy to efficiently disperse pigments and additives and keep them uniformly suspended within coating formulations.

Relying on ultrasonic vibration, this 20 kHz technology delivers superior dispersion within a short timeframe. It shortens production cycles. Even pigment distribution boosts the coating's color consistency, gloss and hiding power, while improving overall coating stability.

1. Cavitation Effect

• Low-frequency ultrasound (typically 20 kHz to 100 kHz) creates larger cavitation bubbles. These bubbles release intense energy upon collapse, which breaks up agglomerates of bigger particles. This range works best for dispersing large particles and high-viscosity fluids.
• High-frequency ultrasound (typically above 100 kHz) forms smaller cavitation bubbles. While these bubbles deliver high localized energy when collapsing, they are less effective at breaking down large particles. It is ideal for fine particles and applications demanding exceptional dispersion uniformity.

2. Dispersion Rate

• Low-frequency systems generally disperse materials faster. However, some coarse particles may re-agglomerate after processing.
• High-frequency ultrasound works at a comparatively slower dispersion rate, yet it yields more homogeneous dispersions and minimises particle re-agglomeration.

3. Thermal and Fluid Impact

• Low-frequency ultrasound can overheat the liquid medium and trigger violent bubble motion, which may alter the liquid's physical properties.
• High-frequency ultrasound generates less heat transfer to the liquid, making it better suited for temperature-sensitive formulations.

4. Suitable Materials

• Low-frequency ultrasound fits high-viscosity, large-particle materials, including many types of inks and coatings.
• High-frequency ultrasound is recommended for nanomaterials, emulsions, and other dispersion systems that require long-term stability.

Be used in a wide range of industries.

 

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