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This section provides an overview for adhesion testers as well as their applications and principles. Also, please take a look at the list of 15 adhesion tester manufacturers and their company rankings. Here are the top-ranked adhesion tester companies as of January, 2025: 1.Biuged, 2.Testronix, 3.Labthink Instruments Co. Limited.
Table of Contents
An adhesion tester is a testing device widely and generally used to evaluate the hardness of surfaces of metals, resins, rubber products, and other materials.
Devices to evaluate the hardness of metals are often called "hardness testers," while those to evaluate the hardness of relatively soft materials such as resin and rubber are often called "adhesion testers," but there is no clear definition in practice. There are also adhesion testers used to measure the mineral content of water.
The correct definition of hardness is a numerical value based on the results of a test to evaluate hardness, such as the change in a product when something called an indenter is pressed into the part to be measured. There are various methods of testing to indicate hardness. There are many types of materials to be measured, including metals and resins, and it is important to select the method of measuring hardness according to the application.
Typical applications of adhesion testers are as follows:
A type of indentation hardness test, in which an indenter, such as a diamond or hard ball, is applied to the material to be measured under a defined load to create an indentation. The depth of the indentation is used to measure the hardness.
First, the indenter is subjected to a standard push load to determine the origin of the depth. Then, an additional load is applied to the indenter and held for a certain period until it reaches the specified test load, after which the load is returned to the reference load. The hardness is evaluated based on the difference between the depth at which the reference load is first applied and the depth at which the load is returned to the reference load.
This test is mainly used to evaluate the hardness of heat-treated steel materials. It is widely used together with the Vickers hardness test, which is a hardness test for metals. However, since the test load is higher than that of the Vickers hardness test, a specimen that can withstand the test load is required.
This is a type of indentation hardness test in which a diamond is pressed against the material to be measured as an indenter to make an indentation, and the hardness is measured from the load applied and the surface area of the indentation. The size of the indentation is measured with a metallographic microscope.
This test is mainly used to evaluate the hardness of metals, but it can be used to evaluate a very narrow range of hardness. It is also used to evaluate the depth of hardening in heat-treated metals. It is called effective hardened layer depth.
Shore hardness is a type of rebound hardness, which is measured by dropping an indenter with a diamond attached to the tip of a copper rod onto the object to be measured and measuring the height of the indenter's rebound after striking the object. In the rebound height test, the indenter is dropped from a specific height and measured from the magnitude of rebound (height of rebound) after hitting the object.
Therefore, no power supply is required. On-site testing of large buildings, etc., is possible.
There are two main methods for evaluating hardness: indentation hardness and rebound hardness.
A hard material called an indenter, such as diamond, is pressed against the material to be measured, and the hardness is determined by the depth of the indentation. Brinell hardness, Rockwell hardness, Vickers hardness, etc. are used to evaluate the hardness of metals.
The hardness is measured by the amount of rebound of the indenter after it strikes the material to be measured. Shore hardness is one of the main tests.
Measuring instruments for measuring the hardness of food products are called rheometers or rheotesters. Foods to be measured by rheometers are much softer than the so-called hardness tester categories in this volume and cannot be measured by the above mentioned adhesion testers.
The measurement unit of the rheometer, like other hardness units, is not specified, so the unit of measurement is either the same as that of the load cell or force tester used in the measurement, or, if a compression plate is used, it is indicated as per surface accuracy of the compression plate (N/㎟), etc. However, as with other hardness values, data correlation is weak, so evaluation is based on relative comparisons between data measured with the same measuring instrument.
Water hardness is what is referred to as hard water or soft water. Water hardness is the sum of 2.5 times the amount of calcium (Cax2.5) and 4 times the amount of magnesium (mgx4) contained in water, and is measured using a chemical reaction measuring instrument and reagents. The unit is expressed in mg/L (U.S. hardness), with higher values indicating hard water and lower values soft water.
*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.
DeFelsko Corporation is a manufacturer of coating thickness gauges and inspection instruments, located in Ogdensburg, NY, USA, and was established in 1965. The company offers a range of products, including, environmental gauges, soluble salt testers, ultrasonic wall thickness gauges, and analog & digital material hardness testers, used in various industries, including metals, fiberglass, and plastic.They continue to develop new products and technologies to meet the needs of customers. They also actively participate in several key organizations (SSPC, NACE, ASTM, ISO) to improve and promote the science of coating inspection.
Papworths Construction Testing Equipment - PCTE is a supplier of instruments and sensors based in Australia. The company supplies field testing equipment which includes non-destructive testing (NDT) equipment to test concrete strength, quality, defects, and cracking and for various other surveys and analyses. There are also Ground Penetrating Radars for concrete and utility scanning along with Lab equipment for different material testing like aggregates, asphalt, rock, soil, etc. and there are geotechnical and structural monitoring sensors among other instruments that serve the Construction industry.
Future-Tech Corp., established in 1995 and headquartered in Kanagawa, Japan, is a manufacturer of hardness testers and accessories. Its products are supplied in the domestic market of Japan, and also to more than 35 countries around the world. The company offers a range of products including the Microhardness Tester FM-X Series, which is a new standard of Microvickers hardness tester. Its series adopts the loading by Load-cell and the multistep load switching, which have made it possible to achieve heavy accuracy. The company also produces and sells sample preparation machines such as cutting machine and grinding press.
Biuged Instruments Co., Ltd. has been a manufacturer of Coating and Ink Testing Equipment since 1963 and is based in China. The company designs testing instruments for paint, coating and ink, calibration, and measurement services which include products to test the viscosity, original coating performance, color, gloss, and thickness paints and it also deals in application tools, ink, and printing instruments along with mixing, grinding, dispersing and milling equipment. Their product design for professional laboratories and training for quality inspectors together with their production line serve the coatings and inks industry.
Testronix, headquartered in Fremont, California, is a laboratory testing instruments manufacturer and supplier. The company provides comprehensive testing equipment solutions across diverse industries such as building materials, chemicals, food, and more. Its products include testing instruments for paper packaging, paint and plating, PET and preform, as well as for plastic testing, and flexible films testing. The company serves renowned brands including Amazon, Flipkart, Cadbury, Cream Bell, Emami, and numerous other brands.
Presto Group was founded in 1983 and is headquartered in Faridabad, Haryana, India. The ISO 9001:2015 certified company is a diversified manufacturer of paper, plastic, wiring, metallic, and other materials used in aerospace, automotive, computer component, plastics, and other industries. The company’s clients include Amazon, Coca-Cola, Pepsi, and Walmart. The company’s paper testing products include computerized box compression testers, stiffness testers, and others. The company also produces equipment for plastic manufacturing and molding, and painting, plating, and coating.
Mecmesin, established in 1977, is a UK-based manufacturer and supplier specializing in designing force, materials and torque testing solutions for quality control. The company designs and manufactures force and torque testing equipment such as hand-held gauges, software-controlled testers, and torque systems. Their product portfolio also includes custom materials and torque test solutions for specialized applications, from grips and fixtures to fully automated test systems. Operating under ISO 9001 quality standards, Mecmesin serves clients in different industries globally with group headquarters in the United Kingdom and North America, and offices in France, Germany, China and Thailand.
Babir Industries is a manufacturer of Lab and Testing Equipment since 2016 and is based in India. The company produces Pharmaceutical, Civil, and Mechanical Lab Equipment, which includes Slump Test Apparatus, Deflection of Truss Apparatus, and Disintegration Test Apparatus Single Basket. They also deal in Petroleum and Oil Testing Instruments, such as Smoke Point Apparatus and Carbon Residue Apparatus. There are also Material, Survey, Soil, and Bitumen Testing Equipment like Test Sieves, Rocker Cum Roller Bridge Bearing, Softening Point Apparatus, Round Kinematic Viscometer Bath, to name a few. The equipment and instruments have uses in the Pharmaceutical industries and Laboratories.
Neurtek International SRL, founded in 1979, is a manufacturer headquartered in Eibar (Gipuzkoa), Spain, specializing in equipment and technical solutions for quality control. The company's offerings encompass a range of coating test equipment, which includes instruments for testing adhesion, impact resistance, skid resistance, flexibility, and test panels. The company also provides viscosity cups, along with film thickness meters designed for measuring dry and wet coatings on various substrates, including ferrous and non-ferrous materials. Furthermore, the company offers spectrophotometers, colorimeters, lighting booths, as well as laboratory equipment, including pH meters. These products serve diverse industries such as automotive, aerospace, chemicals, and research institutions.
ELE International, founded in 1961, is a manufacturer and supplier based in the UK specializing in construction materials testing equipment and environmental instrumentation. The company’s product portfolio includes soil testing equipment, cement testing equipment, environmental testing machines and other testing equipment designed to assess the properties and quality of construction materials. Their offerings also include installation, calibration and training programs for testing equipment based on customers’ needs. With a global presence in the UK, United States, Asia and the Middle East, ELE International serves civil engineering and construction industries worldwide.
Elcometer Limited, established in 1947, has a global network of facilities and is a manufacturer in the UK and the USA of inspection equipment for the coatings, concrete, and NDT industries. The company's core portfolio of products covers four divisions: Blast, spray, coating inspections, and NDT equipment. Example products include industrial and commercial spray equipment used for protective coatings to meet OEM requirements, bodyshop spray equipment, and components used primarily to provide repair and customized work to the interior and body of passenger cars, trucks, vans, and trailers by their clients, including commercial, industrial, and OEMs.
Kett US, an American company founded in 1946 and headquartered in Villa Park, California, is a manufacturer and supplier of moisture meters and organic composition analyzers. The company's product portfolio includes laboratory mixers, near-infrared composition analyzers, and moisture determination balances. These products find applications in various industries, including agriculture, construction, and the laboratory and research industry. The company provides services, including technical support and product training to ensure customers can effectively use its products.
DFT Tech, established in 2003 is a manufacturer and distributor of testing equipment, laboratory chemicals, laboratory instruments, and laboratory equipment based in Tamil Nadu, India. They offer various laboratory equipment, including BOD incubators, hot air ovens, autoclaves, stirrers, and centrifuges. The testing equipment is composed of metal testing, plastic testing, textile testing, paint / coating testing and petroleum testing equipment. The company produces equipment used in pharmaceuticals, research institutes, hospitals,and government organizations.
Ranking as of January 2025
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Biuged |
13.8%
|
| 2 | Papworths Construction Testing Equipment |
10.3%
|
| 3 | Testronix |
10.3%
|
| 4 | Labthink Instruments Co. Limited |
10.3%
|
| 5 | Presto |
10.3%
|
| 6 | Elcometer Limited |
10.3%
|
| 7 | ELE International |
6.9%
|
| 8 | Mecmesin |
6.9%
|
| 9 | Babir Industries |
6.9%
|
| 10 | DeFelsko Corporation |
6.9%
|
Derivation Method
The ranking is calculated based on the click share within the adhesion tester page as of January 2025. 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
|
3 | 30.0% |
|
India
|
3 | 30.0% |
|
China
|
2 | 20.0% |
|
Japan
|
1 | 10.0% |
|
United Kingdom
|
1 | 10.0% |
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