Pencil Hardness Gauge

A pencil hardness tester evaluates the scratch resistance of a coating by pushing a standard pencil at a fixed angle and pressure to create a scratch on the surface. The hardness of the coating is determined based on the pencil hardness grade. It is used for testing the surface hardness of coatings, plastics, and printed materials, aiding in quality control.
Selection
When selecting, consider the type and thickness of the test material, and match the corresponding standards (such as ASTM D3363). Pay attention to the pressure accuracy of the instrument and the stability of pencil clamping to ensure test repeatability. Equip with pencil sets according to the conventional hardness range to meet the daily testing needs of the laboratory.
type
Load weight
Substrate Hardness
Film shape
Measurement certificate

Terms

Instruments

The pencil scratch method is used to test film Hardness, and the three-point contact design always guarantees a 45 ° angle, which meets the GB6379 standard and is suitable for film Hardness detection in laboratories and construction sites.

$ 136.00

The three-point contact design ensures that the pencil and the test surface always maintain a 45 ° angle, the standard 6B-6H pencil covers the complete Hardness range, the mechanical structure is easy and reliable to operate, and it is suitable for a variety of coating hardness testing needs.

$ 144.00

Hand type easy to operate, load 1000g, standard 6B-6H pencil, suitable for film hardness testing, test temperature 23 +/- 2 ℃ and Humidity 50 +/- 5% environment.

$ 337.00

The 45 ° fixed angle design is adopted to ensure that the cylindrical pencil lead maintains a constant angle and pressure, the load is 500g, the error is +/- 10g, and the coating Hardness level is determined by the minimum Hardness value pencil trace.

$ 160.00

Three-point contact design ensures 45 ° stability testing angle, equipped with 6B-6H pencil and 500g to 1000g adjustable load, manual push to achieve accurate film Hardness identification.

$ 160.00

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.

$ 321.00

Adopt four-link mechanism to ensure a constant 45 ° test angle, equipped with 500/750/1000g adjustable load, accurately determine film Hardness through different Hardness pencil scratches, meeting standard test Environmental requirements.

$ 304.00

The 45 ° fixed angle design ensures precise application of 1000g constant pressure, coating marks are evaluated by 13 different Hardness pencil systems, and the four-link mechanism ensures test Stability.

$ 391.00

Using 45 ° fixed angle design, ensure that the cylindrical pencil lead scratches the coating with constant pressure, the load is 750g, the error is +/- 10g, and the coating grade is determined by the minimum trace Hardness value.

$ 160.00

Made of stainless steel to ensure wear resistance and corrosion resistance, 750g test load to meet a variety of international standards, equipped with a complete pencil set for accurate coating Hardness assessment.

$ 1857.00

Adopt 45 ° test angle and adjustable load system, the test platform traverse speed 0.5-10 mm/s adjustable, equipped with LCD display real-time monitoring, to meet the needs of accurate coating Hardness detection.

$ 611.00

The four-bar structure ensures a constant 45 ° test angle, is equipped with a three-speed test load and a standard Chinese pencil set, and the test bench supports multi-directional movement of 120x80mm samples, allowing scratch detection to be completed in any direction.

$ 280.00

With a 45 ° test angle and an adjustable speed of 5mm/sec, equipped with a 500g weight and a standard pencil set, stable and low-noise electric control is achieved through a stepper motor.

$ 471.00

The 45 ° fixed angle design ensures that the cylindrical pencil lead maintains a constant angle and pressure; equipped with two additional weights to achieve three loads, the load error is controlled within +/- 10g, and 14 Mitsubishi UNI pencils are standard.

$ 203.00

Using two-wheel and refill three-point contact structure, refill and test surface to maintain an angle of 45 degrees, equipped with 1000g weight, by pushing the Tester to accurately determine the film Hardness value, easy and reliable operation.

$ 162.00

Articles

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.