Adhesion

Adhesion refers to the bonding strength between a coating and the substrate. It is tested using methods such as cross-cut and pull-off tests to evaluate the coating's resistance to peeling. This is used to assess the adhesive performance of paints and inks on surfaces such as plastics and metals, ensuring that the coating does not easily detach during use.
Selection
When selecting an adhesion testing method, factors such as the type of coating, substrate characteristics, and industry standards must be considered. For instance, the cross-cut test is suitable for thin coatings, while the pull-off method is better for thick coatings. It is also important to match the testing conditions to the actual application environment, including factors like humidity and temperature, to ensure the test results accurately reflect the true adhesion performance.

Terms

Standards

Instruments

Tack is good and non-degumming, adhesion reaches 7.6 N/cm, mass performance is stable, suitable for cross-cut adhesion testing, to ensure accurate film integrity assessment.

$ 174.00

The adhesion was measured by the circular trace method, the drawing diaMeter was 0~ 10.5mm, and the Working Travel ≥ 80mm. The integrity of the paint film was evaluated by seven grades, and the operation was simple and conformed to the GB/T1720 standard.

$ 444.00

Made of stainless steel, the cutter tooth spacing is 1-3mm, the cut mark length is 35mm, and the coating is cut through the grid pattern, and the adhesion effect is evaluated according to the six-level classification, which is suitable for a variety of surface tests.

$ 178.00

The paint film adhesion was measured by the circular trace method, the drawing diaMeter was 0-10.5 mm, and the Working Travel was 80mm. The integrity of the paint film was evaluated according to seven grades, and the operation was simple and reliable.

$ 404.00

Hydraulic system measurement coating adhesion, accuracy control within +/- 1% full scale, optional 10mm to 50mm more than the kit size, self-positioning characteristics to ensure smooth rough surface measurement results accurate and reliable.

$ 1585.00

Rotation speed 80rpm, Working Travel 80mm, in line with international standards, to ensure accurate and reliable film adhesion assessment.

$ 373.00

Hydraulic system measurement coating adhesion, accuracy control within +/- 1%, equipped with self-positioning kit to ensure smooth and rough surface measurement results consistent, optional 10mm to 50mm variety of kit specifications.

$ 1274.00

Equipped with three swirl/spin cutter heads, the tooth spacing is 1mm, 2mm and 3mm respectively, and it is designed according to ISO2409 standard for accurate evaluation of coating adhesion performance.

$ 183.00

Hydraulic system measurement coating adhesion, accuracy control within +/- 1% full scale, equipped with multi-function digital display, can automatically calculate different kit size results, self-positioning kit to adapt to various surfaces.

$ 1468.00

The paint film adhesion was measured by the circular trace method, the drawing diaMeter was 0~ 10.5mm, and the Working Travel was 80mm. The integrity of the paint film was evaluated according to seven grades, and the operation was simple and reliable.

$ 267.00

It adopts 11-tooth cutter design, provides four spacing options from 1mm to 3mm, and is suitable for paint film adhesion testing with a thickness of less than 250mm. The operation is simple and the results are accurate and reliable.

$ 146.00

Adopt the circular roller scratch method to evaluate the adhesion grade, describe the adjustable diaMeter of 0-10.5 mm, equipped with four weights to achieve 200-1000g loading, table Travel ≥ 80mm, manual operation is stable and reliable.

$ 412.00

Hydraulic pump is used to uniformly pull off the test column, the speed does not exceed 1MPa/s, the test force is directly displayed by liquid crystal, and the adhesion failure and cohesion failure can be distinguished, with an accuracy of +/- 1% F.S.

$ 78.00

Equipped with a 20mm kit and trimmer, the range covers 0-20MPa, and precise positioning is achieved through a transparent sleeve, specially designed for high viscosity coating adhesion testing.

$ 590.00

The adhesive force of the tape is 4.3N/cm, and the principle of cross-cut method is adopted, which is suitable for adhesion testing. The performance is stable and non-degumming, and the test results are accurate and reliable.

$ 166.00

Articles

Selection Recommendations for Paint Film Cross-Cut Testers Based on Different Adhesion Testing Requirements
This article mainly discusses how to choose the appropriate paint film cross-cut tester based on different adhesion testing requirements.
Evaluation of Coating Adhesion Grade by Cross-Cut Tester Combined with Tape Method
This article introduces the method of evaluating coating adhesion using a paint film cross-cut tester combined with the tape method.
T-bend tester for coatings is used to determine the T-bend grade of metal sheet coatings.
This article introduces how the T-bend tester for paint films is used to evaluate the flexibility and adhesion of coatings on metal sheet surfaces.
The sample for coating adhesion assessment is uniformly applied using a film applicator.
This article emphasizes that the use of a film applicator to prepare uniform coating samples is crucial, and it elaborates on how the working principle of the film applicator, coating speed, and other parameters affect the quality of the coating.
The adhesion tester employs a comparative analysis of methods including the cross-cut test, the scratch test, and the pull-off test.
This article compares three commonly used adhesion testing methods: the cross-cut test, the scratch test, and the pull-off test.
Surface Tensiometer Evaluates the Wetting and Spreading Properties of Resin Liquids
This article introduces how to use a surface tensiometer to evaluate the wetting and spreading performance of resin liquids. Wetting and spreading affect the adhesion and appearance of products such as coatings and adhesives, and the process can be described by Young's equation and the spreading coefficient.
Cross-cut tester combined with adhesion test tape for evaluating coating peel-off.
The cross-cut test, paired with adhesion test tape, is a commonly used method for evaluating coating adhesion. It involves using a cross-cut knife to score a grid pattern on the coating surface, followed by the rapid peeling of specialized tape. The adhesion level is then assessed by observing the extent of coating detachment.
Circle method adhesion tester for evaluating the bonding strength of organic coatings
This article introduces how the circle method adhesion tester evaluates the bonding force between organic coatings and substrates. The instrument uses a stylus to draw a spiral line on the coating surface, and the adhesion level is assessed based on the number of circles before the coating begins to peel off. A smaller number indicates stronger adhesion.
Humidity and Heat Test Chamber for Evaluating Coating Performance under High Temperature and High Humidity Conditions
This article introduces how a humidity and heat test chamber is used to evaluate the performance of coatings in high-temperature and high-humidity environments. Coatings are widely used in industries such as automotive and electronics, but they are prone to issues like reduced adhesion and blistering under actual high-temperature and high-humidity conditions.
Laser particle size analyzer measures the particle size distribution of spray powder.
Laser particle size analyzers measure the particle size distribution of sprayed powder based on the principle of light scattering, which is critical for coating uniformity and adhesion. During measurement, the powder must be dispersed in a suitable medium to avoid agglomeration, and tests should be repeated to ensure accuracy.
Pull-off Adhesion Tester for Quantitative Measurement of Varnish Adhesion.
The pull-off adhesion tester quantitatively measures the adhesion strength between a varnish coating and the substrate by vertically pulling off a test column. It is essential to ensure proper substrate preparation, complete curing of the coating, and the use of a suitable adhesive during testing.
Circle Method Adhesion Tester for Evaluating the Adhesion of Paint Coatings by the Circular Rolling Line Method
The rolling circle method is a technique for testing the adhesion of paint coatings using a circle-drawing instrument. The instrument employs a fixed-load stylus to draw a continuous circular trace on the coating at a constant speed, and the adhesion level is assessed based on the peeling condition of the scratch.
Cross-cut Adhesion Tester for Evaluating Adhesion of Paint Coatings
This article introduces the cross-cut adhesion test, a common method for evaluating the adhesion of paint coatings.
Adhesion Tester Pull-Off Method for Determining Adhesion Strength of Varnish
This article introduces the test method for measuring the adhesion strength of varnish using the pull-off method. It involves adhering test cylinders to the coating and substrate with adhesive, then vertically pulling them apart with an instrument to record the maximum pulling force and calculate the adhesion strength.
Comparison of the Three Principles of Paint Film Adhesion Testers
There are primarily three principles for paint film adhesion testers, and selection should be comprehensively considered based on the coating characteristics, substrate type, and testing purpose.