Adhesion Testers

From the largest man-made structures to the smallest household appliances, most manufactured products have a protective or cosmetic coating. Premature failure of this coating can, at the very least, result in additional costs of rework. Adhesion testing after the coating process will quantify the strength of the bond between substrate and coating, or between different coating layers or the cohesive strength of some substrates. Routine adhesion tests are used as part of inspection and maintenance procedures to help detect potential coating failures.

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Coatings Inspection Division

Elcometer Limited

For over seventy years, Elcometer has been a world leader in the design, manufacture and supply of inspection equipment to the coatings industry. Whether you are measuring surface profile, surface cleanliness, dry film thickness, porosity, adhesion or gloss; or testing the abrasion, scratch resistance or elasticity of a coating - Elcometer's extensive and versatile range of equipment provides the complete solution to your coatings inspection requirements, whatever and wherever they might be.

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Abrasive & Blast Inspection

Elcometer Limited

Blasting parameters: A number of important parameters need to be monitored during the blasting or water jetting process, these include: air pressure (at the nozzle), nozzle diameter, blast media contamination & pH values in order to avoid recontamination of the substrate during blasting.

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Surface Roughness

Elcometer Limited

Surface Roughness: these consist of a stylus attached to an arm which moves over the surface to record and measure the roughness over a specified distance, recording peak-to-valley average.

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Climate, Dewpoint & Relative Humidity

Elcometer Limited

Monitoring climatic conditions, such as temperature, relative humidity, dewpoint and moisture, is often vital to the successful application of a coating and are critical to the resulting quality and performance of the coated product.

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Moisture Measurement

Elcometer Limited

Moisture: The presence of moisture within a material will result in poor adhesion, premature coating failure and poor appearance. For example, applying a powder coating to a damp wooden panel will cause steam to be created when the panel passes through the curing oven, thus causing damage to the coating. It is not sufficient to simply ensure that the surface is dry by touch. The surface of the substrate is often the driest point due to evaporation. It is important to establish the moisture content within the substrate itself. The moisture measurement can either be taken using a Pin moisture meter or Pinless (Contact-Type) moisture meter.

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Oven Temperature Profile

Elcometer Limited

Temperature profiling provides an effective method for measuring the actual environmental and product temperature during the cure process - essential for ensuring quality finish and a successful cure of a powder coating.

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Wet Film & Powder Thickness

Elcometer Limited

When applying a liquid coating, by measuring the uncured film thickness, it is possible to determine the eventual dry film thickness. Applying too much coating wastes time and materials. It can also affect the performance and finish of the product. Too much wet film can cause the coating to crack as it cures; too little coating increases the risk that the substrate will not be sufficiently protected, leading to rust spots.

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Dry Film Thickness

Elcometer Limited

Dry film thickness, coating thickness or paint thickness as it is often known, is probably the most critical measurement in the coatings industry. It provides vital information as to the expected life of the substrate, the product’s fitness for purpose, its appearance and ensures compliance with a host of International Standards. In 1947, Elcometer launched one of the world’s first non-destructive coating thickness gauges, the Elcometer 101 Coating Thickness Gauge. For more than 6 decades, the design and production qualities of this rugged and reliable instrument have been the watchwords for all our products and these philosophies are still held today. Elcometer has a comprehensive range of Dry Film Thickness gauges to meet all of your coating inspection requirements.

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Material Thickness

Elcometer Limited

The Elcometer range of ultrasonic material thickness gauges has been designed specifically to be easy to use, calibrate, take readings and create inspection reports. With a wide range of measurement modes including: Pulsed Echo (PE), Echo Echo ThruPaint™ (EE) and Velocity Mode (VM), and a wide range of intelligent dual element transducers, the new ultrasonic non destructive thickness gauges can measure the material thickness of virtually any material such as metals, plastics, glass, epoxies and ceramics.

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ElcoMaster® Software

Elcometer Limited

Coating inspection regimes require data to be collected on many of the parameters of the coating process: surface profile, surface cleanliness, climatic conditions, film thickness and adhesion. All of these inspections generate a large amount of data. Elcometer have designed a series of data management software packages that will link directly with the data collection devices (gauges) and instantly produce professional reports, offering full traceability of the inspection proving compliance to the relevant standard being followed.

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Surface Condition

Elcometer Limited

Surface Condition: degree or percentage of rust, level of mill scale, etc., can be visibly assessed using Pictorial Surface Standards. Weld beads can be assessed using a weld comparator and weld gauges.

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Surface Profile

Elcometer Limited

Surface profile: The degree of profile on the surface affects a coating’s overall performance and determines aspects such as adhesion, coverage and overall volume of coatings used. If the profile is too large the amount of coating required increases, otherwise there is a danger that the peaks remain uncoated - allowing rust spots to occur. If the profile is too small there may be an insufficient key for adequate adhesion.

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Surface Cleanliness

Elcometer Limited

Surface cleanliness: Soluble salts & ion specific contamination (sulphates, chlorides, nitrates etc.) which are often invisible to the eye, together with amine blush (for amine cured epoxy coatings) can result in premature coating failure, resulting in high re-coating and maintenance costs. Elcometer has a range of test equipment for assessing surface cleanliness prior to applying a coating.

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Pinhole & Porosity

Elcometer Limited

Premature corrosion of a substrate is usually due to a coating failure. A major cause is the presence of flaws in the finished coating. Collectively referred to as porosity, the main types of flaws are:

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Inspection Kits

Elcometer Limited

Elcometer offers one of the widest ranges of inspection equipment available. Our products are used across numerous industry sectors. In all cases, there is always a need to undertake a number of specific inspections during quality control assessments - as one parameter can affect another.

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Automatic Pull-Off Adhesion Gauge

510 - Elcometer Limited

Automatic hydraulic pump ensures smooth and continuous pressure application for consistent, repeatable adhesion strength resultsFully adjustable pull rates 0.1-1.4MPa/s (14.5-203psi) to meet National and International StandardsCan be used with 10,14.2, 20 and 50mm diameter dolliesUser definable limits with unique pressure hold and release functionUser definable measurement range with an accuracy of ±1% of full scale:10mm dolly: 100MPa (14400psi14.2mm dolly: 50MPa (7200psi)20mm dolly: 25 MPa (3600psi)50mm dolly: 4MPa (580psi)Dust and water resistant rugged design to IP64Interchangeable units: MPa, psi, Nmm2 and NA range of standard and thin substrate actuator skirts (compatible with Elcometer 506) available for adhesive strength testing on thick, thin, flat or convex substratesStore up to 60,000 readings with individual pull graphs in up to 2,500 alpha numerical batches, complete with attribute failure informationUSB and Bluetooth® data output - compatible with ElcoMaster® App for iPhone, iPod, iPad and Android mobile devices

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Pull-Off Adhesion Tester

506 - Elcometer Limited

The Elcometer 506 are lightweight, portable and easy-to-use adhesion testers available in analogue or digital gauges and are suitable for measuring the pull-off adhesion of coatings up to 50MPa (7250psi) either on-site, or in the laboratory.

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Push Off Adhesion Tester

508 - Elcometer Limited

Hand-held, ergonomic and fully portable - ideal for on-site adhesion testingQuick connect coupling for easy connection to the dollyMeasurement range up to 25MPa (3630psi) with a full scale accuracy of ±1.5%Rotating crank handle applies smooth loading from 0 up to 25MPa (3630psi)

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Pull Off Adhesion Tester

106 - Elcometer Limited

Applications for the Elcometer 106 Adhesion Test include paint or plasma spray on bridge decking, coatings on steel, aluminium, concrete etc.Supplied in a carry case - ideal for site testsHand operated - no need for a power supplyIncludes a cutter for EN13144 and ISO 4624 tests

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Coatings On Concrete Adhesion Tester

106/6 - Elcometer Limited

The Elcometer 106/6 Adhesion Tester has been specifically designed to measure adhesion strength of coatings on concrete.

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Hydraulic Adhesion Testers

108 - Elcometer Limited

The Elcometer 108 adhesion tester is the ideal gauge for testing coatings on tanks, pipelines, etc.Hand-Powered and portable adhesion testerIdeal for site workReusable stainless steel dolliesElcometer Digital Adhesion Tester features:Maximum hold - displays the highest value reachedBacklit display for dark areasRubber protective casingSwitchable Metric/Imperial units.

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Cross Hatch Cutter

107 - Elcometer Limited

The Elcometer 107 Cross Hatch Cutter for adhesion tests provides an instant assessment of the quality of the bond to the substrate.

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Cross Hatch Adhesion Tester

1542 - Elcometer Limited

The Elcometer 1542 Cross Hatch Adhesion Tester is ideal for measuring the cross hatch adhesion of coatings up to 250µm (9.8mils) on flat surfaces and test panels.

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Cross Cut Adhesion Tester

1540 - Elcometer Limited

The Elcometer 1540 Cross Cut Adhesion Tester is a simple instrument for quickly determining the coating adhesion of a large variety of paints up to 50µm (2 mils) thickness.

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