Astm D3363 Hardness Scale

Pencil set designed for pencil hardness testing common brands include mitsubishi uni 3. The purpose of this test protocol is to determine the hardness of a coated film through the use of pencil hardness measurements. Today d 3363 describes a procedure for a rapid inexpensive determination of the film hardness of an organic coating on a substrate in terms of using leads or pencil leads of known hardness.
astm d3363 hardness scale

Top Astm D3363 Hardness Scale, Meets astm d3363 the model 3363 pencil scratch hardness tester is an addition to the gardco range of surface coating test instruments.

Astm d3363 hardness scale. Evaluation of the film hardness by a pencil hardness test. If a file cannot scratch your material then your material is harder than the file. It determines the resistance of coating materials to surface scratching and is of particular use for furniture or vehicle lacquers. Set includes six files and a chart to convert to vickers scale.

Mohs a mineral stones hardness scale. Proper disclosure i own a ceramic coating factory research lab for over 2 years. January 27 2018 pencil hardness mohs scale astm d3363 9h 10h explanation post about h hardness scales mohs scale pencil hardness standards astm d3363 iso 15184 pencil hardness test pencils 9h10h. Astm d3363 standard test method for film hardness by pencil test bs 3900 e19 iso 15184 en 13523 4.

Pencil hardness tester wolff wilborn is the most common brand astm d3363 does allow for manual testing with no holder required but for best and consistent results you should use a pencil hardness tester 2. As 15804051 ncca ii 12 the pencil hardness test is used to measure the hardness of the paint film. The results of this test indicates the degree of curing of the paint film. It is an economical way to determine the hardness of steel on the rockwell c scalehandles are marked with rockwell hardness values.

This professional pencil hardness tester is designed and engineered in accordance with international test standards eg. Astm d 3363 test method for film hardness by pencil test is now the appropriate test method for this property. This is also true for coil coaters and paint manufacturers for the coil coating industry. If a file can scratch your material then your material is softer than the file.

Position paper on astm d3363 74 reapproved 1989 standard test method for film hardness by pencil test the standard test method for film hardness by pencil test astm d3363 r1989 is used by a wide variety of producers and users of coatings. Hardness symboled with h scales. Astm d3363 uses and factors to consider.