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This section provides an overview for contact angle meters as well as their applications and principles. Also, please take a look at the list of 14 contact angle meter manufacturers and their company rankings. Here are the top-ranked contact angle meter companies as of December, 2024: 1.ChemInstruments, 2.OEG GmbH, 3.KINO Scientific Instrument Inc..
Table of Contents
Contact Angle Meter is a device that evaluates the contact angle of a drop of liquid on a solid surface.
In wettability evaluation, contact angle is the angle between a solid surface and a droplet, and is used as a numerical value to express the wettability of a material. Wettability is a numerical expression of the compatibility of contact between a solid surface and a liquid.
In our daily lives, for example, the surface of a waterproof raincoat or umbrella repels water well. Conversely, in the painting process, it is essential for the paint to spread without being repelled by the painted surface in order to perform the painting process efficiently.
In addition, some products are designed to make it easier to remove dirt from exterior walls of buildings by making the paint surface easy for rainwater to run off after it dries.
Contact Angle Meter is used to measure the water repellency, water resistance, and conversely, hydrophilic performance of various industrial products. When a liquid is bounced off a solid surface, it is called low wettability, and when a liquid spreads easily on a solid surface, it is called high wettability.
When wettability is low, the contact angle is large, and when wettability is low, the contact angle is small.
In cases where cleanliness has a significant impact on product characteristics and quality, contact angle can be used to evaluate cleanliness in a relatively easy and inexpensive manner. Specifically, it is used in the manufacture of silicon wafers, semiconductors, glass substrates, electronic components, liquid crystal glass, etc.
In painting, adhesion between the paint and the material to be painted is important. Contact angle is used to evaluate the adhesion of the paint. Inks, paints, and application processes are subject to evaluation.
It is also used in building exterior paints as an indicator to evaluate the stain resistance of buildings, and when wettability is good, stains are washed away with rain.
For products that require water resistance, the contact angle is used to evaluate how well the product can repel water. Examples include water repellents, waxes, waterproof coatings, and rainwear.
In sealing materials for bonding and filling gaps, we evaluate their compatibility with the base material. It is performed as an evaluation of sealing, adhesion, sealability, and application process.
Contact angle is measured to evaluate cleanliness in clean rooms.
Contact angle is used to evaluate the process of surface modification by UVO3, plasma, corona discharge, etc.
Contact Angle Meter actually drops a liquid on the surface of the target substrate, takes a picture of the drop with a camera from the side, and determines the contact angle from the shape of the drop. This is a relatively primitive method where the definition of contact angle is directly tested and judged from the image.
If the wettability of the sample to be evaluated is high, the droplet on the substrate will be collapsed and spread out, resulting in a small contact angle. On the other hand, if the wettability is low, the droplets on the substrate maintain a spherical shape and the contact angle increases.
Wettability is related to the surface tension of the liquid, the surface tension of the solid, and the interfacial tension between the liquid and the solid.
γs = γlcosθ + γsl
γs: surface tension of solid, γl: surface tension of liquid, γsl: interfacial tension between solid and liquid, θ: contact angle
Contact Angle Meter consists of a dispenser for creating droplets, a light source and CCD camera for observing the interface, and a sample stage for installing a substrate. In addition, to measure the dynamic contact angle described below, a sliding unit is attached to tilt the entire device and the specimen stage.
There are two types of contact angles: static contact angle and dynamic contact angle. When a droplet is dropped on a water-repellent material, the shape of the droplet, such as height and contact radius, changes slowly and is not stable. The contact angle after one to several seconds after the droplet is deposited is generally considered to be the "static contact angle.
After a droplet is deposited on the surface of the material to be evaluated, the droplet begins to slide on the surface as the material is tilted. The angle at the moment the droplet begins to slide is called the slip or tumble angle. The contact angle in the direction the droplet falls is called the forward contact angle and the opposite is called the backward contact angle, both of which are called the dynamic contact angle.
Contact Angle Meter reads the contact angle from the shape of the liquid actually dropped on the sample surface, and there are several measurement methods.
Droplet method
The droplet method is the basic method for evaluating the static contact angle. A drop of liquid is dispensed onto the test surface, and an image of the droplet shape is acquired from right beside the surface to calculate the contact angle of the droplet.
Extension-Contraction Method
In the expansion and contraction method, an image is captured while the liquid is repeatedly dispensed and aspirated. The forward and backward contact angles are obtained as dynamic contact angles.
Slip-and-Fall Method
In the slip-and-fall method, liquid is first dropped onto a horizontal solid sample surface, and then the sample stage is tilted to obtain the slip-and-fall angle and the dynamic contact angle.
*Including some distributors, etc.
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ChemInstruments is a manufacturer of adhesive testing equipment, founded in 1990 and located in Fairfield, Ohio. The company manufactures PSA testing equipment, sample preparation equipment, and material testing equipment. Its equipment are not only used for adhesives, but also for coatings, sealants, and paper, film, and foil based materials. Its products are field tested and quality assured, and these products meet the ASTM, PSTC, and FINAT standards among others. The company provides load cell calibration and hand roller upgrade and calibration services, and it also provides customized solutions and accessories.
KINO Scientific Instrument Inc. is a manufacturer and supplier of contact angle meter, surface, interfacial tensiometer and Time of flight camera. The company is situated at Boston USA and came to inception in 2005. The company product portfolio includes ADSA-RealDrop based on the ADSA-P is the main algorithm developed by KINO which is used at the force surface tensiometer (STM), optical contact angle meter (CAM) and spinning drop interfacial tensiometer (SDT). The company develops the technology of contact angle meter, surface tensiometer and spinning drop interface tensiometer.
OEG GmbH, established in 1991 and headquartered in Frankfurt, Germany, is a manufacturer of optical measuring instruments based on image processing for industrial and research applications. The company's range of products includes SURFTENS WH 300 for semiconductor technology, the OTS 500 Optics Test Station for measuring EFL, BFL, and Radius, optics test equipment for beverage can manufacturing and wire measurement, meters for contact angle and surface tension in semiconductor technology, and measuring microscopes with image processing capabilities for flatness, bow, warp, curvature, and glass thickness measurements.
BUSSI Demagnetizing Systems Company, established in 1969 and based in Turin, Italy, is a manufacturer of electronic impulse demagnetizers. The company has a wide variety for its demagnetizers, ranging from in line to off line to manual to automatic. These demagnetizers are used in conveyor belts, rolling channels, washing and transport containers, and measuring machines. The company is able to offer a wide range of demagnetizing systems customized based on the application and different production contexts required by the client.
DataPhysics Instruments, established in 1997 and based in Filderstadt, Germany, is a manufacturer and supplier specializing in advanced measuring instruments for surface and interfacial science. The company’s product range includes optical contact angle measuring systems, dynamic contact angle measuring devices, tensiometers, dispersion stability analysis systems, and accessories. These instruments find applications in diverse industries, including aviation, automotive, pharmaceuticals, and manufacturing. The company has a distribution network across the globe, including a subsidiary in Charlotte, North Carolina to serve the surface chemistry market in the United States and Canada.
XiangYi Instrument (Xiangtan) Co. Ltd. was established in 2005, as a manufacturer of laboratory equipment in China. The products are categorized into different types, such as Petroleum/Oil Tester which consists of equipment like Viscometers, density, distillation, ash, and pH testers. Similarly, there is a category of Thermal Analyzers, Refrigerating and Cryogenics, Automatic Fusion machines, and incubators, along with Analyzers for water quality, particle size, surface area, and more, and various laboratory instruments and equipment that are used in schools, research units, factories, and pharmaceutical laboratories.
Apex is a manufacturer of scientific research equipment’s, supply and Services Company for various tests and measurements in the field of nano and thin-film, coating and characterization. The company was founded in the year 1991, in Kolkata, India. The company product portfolio includes the Langmuir-Blodgett Film Deposition system, a wide variety of Dip Coating and Spin Coating systems, an Ultra-Violet Curer system, and finally a brand new Contact Angle Meter system. By combining science and advanced technologies, Apex has been creating a wide range of products to support the researchers in the field of Nano-thin Film Research Applications.
Haida International Equipment was founded in 2004 as a manufacturer and supplier of Testing Equipment in China. The company deals in various precision testing instruments, machines, and services such as Batteries, Furniture, Textiles, Leather and Shoes, and Rubber and Plastic test equipment. There is also Adhesive tape, Cookware, Luggage, Optical, and Vibration test equipment along with Accelerated Environment Test Chamber (AES) that executes QC inspection on electronic appliances, paper products, metals, research institutes, and lots more. The other testing machines cater to industrial and mining enterprises, colleges and universities, engineering quality supervision stations, and other departments.
Biolin Scientific is a Swedish manufacturer of surface science instrumentation that was established in 2010 following Biolin AB’s acquisitions of KSV Instruments Ltd. and Q-Sense AB. Based in Gothenburg, the company produces analytical lab equipment such as tensiometers for measuring surface free energy and tension of solids or liquids, as well as quartz crystal microbalances with dissipation monitoring capabilities (QCM-Ds) for measuring the mass or viscoelasticity of thin films. These are used in the biotechnology, pharmaceutical, energy, and environmental protection sectors. Aside from its products, Biolin Scientific offers contract research, experimental design, and technical support services for customer projects.
Kyowa Interface Science Co., Ltd. is a manufacturer of scientific instruments for interfacial science, established in 1947 and based in Saitama, Japan. The company provides surface and measuring instruments, including a Contact Angle Meter, Surface Tensiometer, Peel Tester, and Friction Testers. These products received the "Analytical and Scientific Instrument Heritage" certification in the years 2012, 2013, and 2015. Kyowa's instruments are utilized for the analysis of interfacial phenomena in various applications, such as determining surface wettability, measuring surface tension, evaluating adhesion strength, and assessing frictional properties. They are used in research and development as well as quality control processes.
LabGeni is a manufacturer and supplier of laboratory equipment and consumables that was established in 2004 and is headquartered in Wuhan, China. LabGeni's main activity is the design, development, and manufacturing of laboratory equipment, including microplate readers, centrifuges, and incubators. The company also offers a wide range of laboratory consumables, such as pipette tips, microcentrifuge tubes, and cell culture media. Its products are used by a wide range of customers, including academic institutions, research laboratories, and pharmaceutical companies. LabGeni has over 200 employees and operates in more than 20 countries.
Parisa Technology, established in 2014 and based in Mumbai, Maharashtra, India, is a manufacturer and supplier of Peristaltic Pumps. The company's product range includes Digital Refractometers, Aerosol Food and Beverages Testing Instruments, CO2 and Helium Gas Purity Testers, and Digital Polarimeter. These products are designed for precision testing and measurement. They serve industries focused on food and beverages, gas testing, and optical measurement. In addition to product manufacturing, the company offers services such as specialized instrument creation, device exportation, GST services, and Income Tax Consultancy Services.
Dyne Testing Ltd. is a manufacturer and supplier of environmentally friendly surface treatment instruments located in Lichfield, Staffordshire. The company’s product line includes automatic adhesion testers, contact angle meters, tensiometers, gloss meters, wall thickness gauges, and porosity test equipment. Its instruments test for surface energy, surface cleanliness, surface tension, adhesion, and coating thickness. The company serves industries such as the manufacturing, educational, and researching industries, and its products find several industrial applications.
Holmarc Opto-Mechatronics Ltd., founded in 1993 and based in Kochi, India, is a company that specializes in the design and manufacture of scientific instruments and devices. The company’s product line includes many items such as optomechanics, rotation stages, optics, and imaging and measuring instruments. They serve a multiple range of sectors including research, food, agriculture, and education. Their products have applications in a wide array of scientific and engineering fields including space science, nuclear research, life science, biomedical engineering, and precision manufacturing.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | OEG GmbH |
19.2%
|
| 2 | ChemInstruments |
11.2%
|
| 3 | KINO Scientific Instrument Inc. |
9.2%
|
| 4 | Apex Instruments Co Pvt. Ltd. |
8.1%
|
| 5 | Dyne Testing Ltd |
7.3%
|
| 6 | DataPhysics Instruments GmbH |
6.5%
|
| 7 | Bussi |
6.5%
|
| 8 | PARISA TECHNOLOGY |
6.2%
|
| 9 | LabGeni |
6.2%
|
| 10 | XiangYi Instrument (Xiangtan) Co., Ltd. i |
5.8%
|
Derivation Method
The ranking is calculated based on the click share within the contact angle meter page as of December 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
2 | 16.7% |
|
Germany
|
2 | 16.7% |
|
China
|
2 | 16.7% |
|
India
|
2 | 16.7% |
|
Italy
|
1 | 8.3% |
|
Sweden
|
1 | 8.3% |
|
Japan
|
1 | 8.3% |
|
United Kingdom
|
1 | 8.3% |
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32 products
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