Hardness Pen

The hardness pen applies pressure to the material surface through an indenter and calculates the hardness value based on the depth or diameter of the indentation. It is used to test the compressive resistance of coatings, plastics, and other surface layers, commonly employed for rapid inspection on production lines.
Selection
Select the corresponding scale type based on the material’s hardness range, choose between mechanical or digital display models according to testing precision requirements, and match the indenter shape and load capacity with industry standards to ensure a stable and level testing environment.

Terms

Standards

Instruments

With a diaMeter of 0.75mm and a radius of 0.375mm, the test head meets Bosch and Volvo standards and provides accurate scratch hardness testing.

$ 309.00

The 0.5mm/R = 0.25 test head meets Opel, Volvo and van Laar industry standards to ensure accurate scratch hardness measurement.

$ 327.00

The nib is 1mm in diaMeter, equipped with three springs covering the 0-30N pressure range, and the tungsten carbide tip can leave visual marks to evaluate surface Hardness, ergonomically designed non-slip grip.

$ 1241.00

Equipped with Φ 1mm, Φ 0.75mm, Φ 0.50mm three probes and 0-30N spring pressure, using wheel handle design, can be quickly measured in plane and curved surface, no maintenance and anti-corrosion.

$ 2054.00

Suitable for plane or curved surface measurement, not limited by area, easy to operate. Equipped with 0.75mm test head, pressure range can be selected from 0~ 40N, stable performance and easy to carry.

$ 304.00

Suitable for flat or curved surface measurement, not limited by area, equipped with 0.5-1 test head and 0-40N spring pressure range, stable performance.

$ 350.00

Plastic film surface tension can be accurately tested, suitable for a variety of printing composite process, can customize ink Color and pen shape, specifications include 10ml to 500ml bottles.

$ 87.00

The test head has a diaMeter of 1.0mm and a spherical radius of 0.5mm, which meets the Opel, Volvo, van Laar industry standards and can accurately evaluate the scratch resistance of coatings.

$ 325.00

Can accurately test the material surface tension, support 30-72mN/m multi range selection, custom ink Color and pen shape, suitable for film sheet and other materials detection.

$ 87.00

Plastic film surface tension can be accurately tested, support a variety of material testing, available in pen and 10ml to 500ml bottle specifications, optional red, blue and custom Color.

$ 87.00

Imported special steel pressure needle, Hardness and long life, range 0-20HW, can directly read the Hardness value, suitable for on-site rapid testing, Stability and portability.

$ 1017.00

Can accurately test the material surface tension, Plastic film and conductive materials, provide 10ml to 500ml variety of specifications, support Color and pen customization.

$ 87.00

Fiber wear-resistant pen design, Test accuracy of +/- 0.5 dyne, 15ML large capacity can be tested multiple times, 2-4 seconds to quickly obtain results, suitable for a variety of materials Surface Energy testing.

$ 99.00

Can accurately test whether the surface tension of the material is up to standard, support a variety of Color and pen customization, suitable for Plastic film, metal foil and other substrate detection.

$ 87.00

Using a hard fiber axe pen, the writing width is 7mm, and the test results do not need to wait for a wipe. The fully sealed pen cover design ensures environmental protection and long shelf life, making it portable and practical.

$ 89.00

Articles

Pencil Hardness Tester for Rapid Evaluation of Coating Surface Hardness
The pencil hardness tester is a tool used for rapidly assessing the relative hardness of coating surfaces through standardized scratch tests. It employs a series of pencil leads with known hardness levels, which are drawn across the coating under a fixed load and angle. The hardness grade, ranging from 6B to 9H, is determined based on whether a permanent scratch is produced.
Pencil Hardness Plan Outstanding Paint Film Pencil Hardness Grade
The pencil hardness test is a method for evaluating the scratch resistance of paint films. It involves using a series of pencils with known hardness levels to scratch the coated surface under fixed conditions. The hardness grade of the coating is determined by observing whether permanent scratches are produced.
Application of Film Pencil Hardness Tester in Coating Scratch Resistance Testing
The paint film pencil hardness tester is an instrument used to evaluate the scratch resistance of coatings. It works by scratching the surface of the coating with a pencil of known hardness under a fixed load, and then assessing the hardness grade based on whether scratches are produced.
Classification standards for determining the hardness of coatings using a pencil hardness tester.
This article introduces the method of measuring the hardness of coatings using a pencil hardness tester. It involves using pencils of varying hardness to scratch the coating and observing whether scratches are produced to determine the hardness grade, ranging from 6B to 9H.
Key Operational Points and Influencing Factors of Pencil Hardness Method for Determining Coating Film Hardness
The pencil hardness test is a method used to evaluate the scratch resistance of a coating by making marks on the paint film with pencils of known hardness. During the operation, a uniformly cured sample is prepared, and calibrated pencils are used to make marks at a 45-degree angle with a fixed force, aiming to identify the highest hardness grade that does not scratch through the paint film.
How to Select a Pencil Hardness Tester? A Comprehensive Guide from Principles to Practical Application
When selecting a pencil hardness tester, focus on three key points: choose manual or automatic based on standards, use specialized testing pencils, and ensure the instrument can fix a 45-degree angle for uniform force application to achieve accurate and reliable results.