Shenzhen CRF Co., Ltd.

Support material testing and equipment testing

Focus on R & D and manufacturer of plasma cleaning machine for 20 years

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Plasma power supply


● Atmospheric plasma surface treatment machine can be equipped with various types of plasma spray guns and nozzles, which can be used in different occasions to meet various products and processing environments;
● The equipment is small in size, convenient to carry and move, and save the customer's use space;
● It can be installed in the customer’s equipment production line in-line, reducing customer input costs;
● Long service life, low maintenance and repair costs, convenient for customer cost control.


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Device details


Jet type AP plasma processing system

Plasma power supply model


Rotary spray type plasma spray gun model

Rotary spray type:RXX(Option:20mm-80mm)

External power supply 220V/AC, 50/60Hz


Plasma power


Power factor


Processing height


Handling wide format

Rotary jet type:20-80mm(Option)

Internal control mode

Digital control

External control mode

RS485/RS232、analog communication port, start-stop I/O

Working gas

Compressed Air (0.4mpa)/N2(0.2mpa)

Power supply weight


Plasma technology. Characterization method of solid surface wettability. Solid surface adsorption method

Characterization method of solid phase wettability of plasma technology:
The wettability of a solid surface is usually measured with a contact angle meter. The contact angle is defined as the angle between the tangent of the gas-liquid interface and the solid-liquid interface at the point of intersection of the gas-liquid-solid three-phase.
After plasma technology treats the solid surface, the contact angle can be used to quantitatively measure the wettability of the surface, and the contact angle can be directly measured by the contact angle measuring instrument. The following describes several wettability conditions of the contact angle. If the contact angle is equal to 0, it indicates that the object is completely wet and the liquid has auxiliary expansion on the solid surface. When the contact angle is greater than zero and less than 90 degrees, the surface has been partially wetted, indicating that the surface is hydrophilic. When the contact angle is 90 degrees, it is the dividing line of wetting, and when the contact angle is greater than 90 degrees, it is the hydrophobic contact angle without wetting. The liquid condenses into a large sphere on the solid surface. When the contact angle is equal to 180 degrees, it is completely non-wetting. When the contact angle of the liquid on the solid surface is greater than 150 degrees, it is a superhydrophobic contact angle.
Adsorption on solid surface:
Like liquids, the force field of atoms or molecules on the solid surface is not uniform, so the solid surface also has surface tension and surface energy, but the solid molecules or atoms cannot move freely.

Solid surface molecules are difficult to move, and solid surface molecules are not as easy to shrink and deform as liquids. Therefore, it is very difficult to directly measure solid surface tension. Any surface has a tendency to spontaneously reduce surface energy. Since solid surface is difficult to shrink, only use to reduce interfacial tension The method to reduce the surface energy is also the root cause of the adsorption effect on the solid surface. Of course, it is not absolute that the molecules or atoms on the solid surface cannot move. Under high pressure, almost all atoms on the metal surface will flow. At this time, the sharp peaks and corners of many solid surfaces will become blunt, or a fusion phenomenon will occur. During processing or crystal formation, the crystal surface must always be the crystal face with the lowest free enthalpy to be the most stable.

Wide plasma surface treatment machine (argon oxygen type)

Shenzhen Chengfeng Zhi made plasma cleaning machine

Top 500 enterprises choose brands for a long time

  • huaxing
  • jingtai
  • Bluesi
  • PAI

The reason for choosing us

20 years of independent R & D experience in top 500 enterprises, a number of technology patent certification.
Adopt imported components through EU CE certification so that you can use them without worry.

  • Professional R & D team

    Has a number of assembly engineers who have been engaged in the industry for more than ten years.

  • Advanced equipment

    Certification treats every equipment test

  • Strict quality control

    The equipment runs and debugs continuously for 24 hours before coming out.

  • Perfect service system

    A high-tech enterprise integrating R & D, manufacturing, production and sales of plasma equipment.

  • The service industry has a wide range of fields.

    Focus on plasma research and development for 20 years, serving a variety of industries

  • Special customizable equipment

    Make the equipment completely according to the customer's requirements.

A number of patent certificates, manufacturer strength certification

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CRF plasma——Focus on plasma 20 years