Film Circular Scratch Tester

The paint film circular scribing tester uses a stylus with a fixed load to draw circular trajectories at a constant speed on the surface of the paint film. The adhesion level is evaluated based on the ring number corresponding to the position where the paint film is damaged. It is used to test the bonding strength between coatings, plastics, and other materials and their substrates, with results expressed on a scale of 1–7.
Selection
When selecting, confirm the test standard requirements, check if the maximum load of the instrument matches the stylus specifications, observe whether the scratch trajectory is smooth, verify the clarity of the grading charts, consider the adaptability of the sample stage fixture, confirm the stability of the rotation speed, and evaluate the ease of operation.
Measurement method

Terms

Standards

Instruments

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

Hand crank type is easy to operate, load 1000g +/- 1g, scratch speed about 1mm/s, test angle 45 °, standard 6B-6H pencil, in line with a number of international standards, through the pencil Hardness grade to accurately evaluate the scratch performance of the paint film.

$ 325.00

Using electric Dial design, the scratch length can reach 60mm, the load range is 0-2000g, and the physical characteristics of the coating are characterized by the anti-penetration ability of the scribing needle.

$ 554.00

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

Using digital touch screen control, the test speed is adjustable from 0-40mm/s, the load range is 0-4000g, the minimum increment is 50g, and it is equipped with a variety of weights and special scribing needles to accurately determine the film scratch resistance performance.

$ 945.00

Steel ball diaMeter 1mm needle, load range 0-2000g, through the minimum load of the film to accurately determine the coating resistance to penetration, traverse speed 30-40mm/s to ensure the test Stability.

$ 641.00

Control system using servo motor, scratch speed 254mm/min, weight free lifting, ensure that the needle parts accurately fall on the workpiece, to achieve automatic scratch and zero operation.

$ 3785.00

The circular track is used to automatically record the film drying process continuously, equipped with 4 kinds of specifications to choose from, the track diaMeter is 100mm, and the measurement error is +/- 0.5%, which can intuitively analyze the stages in drying state.

$ 206.00

Using 0.5mm tungsten carbide tip, the spherical test point can scratch 2000 90mm long scratches without damage after durability test, the design is comfortable and stable, and it is suitable for regular interval scratch operation in corrosion test.

$ 587.00

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

The scribing needle is used to act vertically on the film, the load range is adjustable from 0-2000g, the minimum increment is 50g, and the diaMeter of the steel ball is 1mm, which can accurately determine the minimum weight required to cut the paint film.

$ 444.00

The four-pin design is equipped with four sizes of scribing needles, which can automatically draw a circular track with a diaMeter of 100mm, support three cycle modes of 6/12/24 hours, and the measurement error is controlled within +/- 0.5%.

$ 219.00

Made of tungsten, with a total length of 17-18mm and a needle diaMeter of 1mm, it has excellent wear resistance performance and accurate scratch testing ability.

$ 280.00

Using equilibrating rod and adjustable weight design, the scratch resistance of the material is evaluated by the scraper head leaving an arc score on the surface of the swirl/spin specimen, which is suitable for a variety of rigid and coating materials.

$ 1811.00

Using electric pressure system and circular pressing operation mode, printing pressure 0-4mm, speed 0-100 Meters, adjustable scraper pressure and speed, support low accuracy overprinting and Color detection.

$ 6020.00

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