UV coatings pencil hardness

Film performance testing is one of the key steps in evaluating film mass and applicability. In film performance testing, hardness is an important indicator, which reflects the mechanical strength and resistance to deformation of the film. The hardness of the film has a direct impact on its performance such as scratch resistance and wear loss resistance.

Pencil hardness tester is a device that determines coating or surface Hardness by measuring coating resistance to pencil scratches of different Hardness.

Film pencil Hardness is a commonly used film physical performance test method to evaluate the Hardness and wear resistance performance of coating films. During the test, pencils with different Hardness are used to scratch the coating surface to determine the Hardness grade of the coating according to the Hardness of the pencil.

The pencil hardness test is just one of many tests used to evaluate coatings. The hardest is 10H, followed by 9H, 8H, 7H, 6H, 5H, 4H, 3H, 2H and H. F is the middle of the hardness scale; then HB, B, 2B, 3B, 4B, 5B, 6B, 7B, 8B and 9B, which are the softest.

This article mainly understands the relevant standards of pencil hardness testers, and provides a reference for users to purchase and use pencil hardness testers.

Pencil hardness testing is an evaluation method used to determine the hardness of a material (usually a coating material). In order to perform a pencil hardness test, graphite pencils of different hardness move on the coated surface. Its hardness relative to graphite pencils depends on the softest pencil, which leaves scratches on the coated surface.

The film hardness of coated insulating glass is an important part of the physical properties of coated glass. This paper introduces how to test the hardness value of coated insulating glass with a pencil hardness tester.

The performance testing of resin varnish and thick film coatings includes temperature resistance, chemical resistance, thermal weight loss analysis, contact angle test, gloss test, pencil hardness test, and film adhesion test.

This paper describes that the preparation test sample of water-based dip paint needs to meet the requirements of paint film appearance, impact resistance, grid test, pencil hardness and other properties.

This paper describes that the anti-corrosion primer of automobile axle leaf spring needs to test the pencil hardness, impact resistance, gasoline resistance and other properties.

Paint hardness reflects the ability of a coating to resist constant indentation, scraping, scratching and penetration caused by a hard object.

In recent years, various optical parts based on polyester film (PET) have been widely used due to the development of raw materials and processing technology. PET materials have excellent properties, and their good mechanical properties, heat resistance and high transmittance are superior to many other materials.