ISO 12137-2:1997 Coating surface scratch resistance tester

Clamp the test board and move the cap gentlyAt the same time, use a stylus or alternative tool to scrape the surface. According to the testing program, specified or variable loads can be applied to obtain different degrees of failure from traces to damage. The contact between the voltmeter indicating tool and the metal sample substrate. Maximum panel size: 100x150x1.6mm (0.3mm coating).

The required weight for the scratch resistance tester on the coating surface is set. You can choose from the previous options International StandardThe weight group specified in ISO 1518.

The testing principle of the automatic scratch tester is to fix a metal test plate coated with a single or composite coating on the working platform of the instrument. During the test, the working platform pulls the test plate toSlowly move at a speed of 30-40mm/s, and at the same time, a hemispherical scratching needle loaded with a certain load slowly moves in reverse on the surface of the coating. If the scratching needle cuts the coating, there will be conductivity between the scratching needle and the test plate. The test results are evaluated based on the maximum negative weight of whether the needle cuts through the coating or not under a certain load.

execution standard:

CB9279-88 "Scratch test for paints and varnishes" ISO 12137-2:1997 "Determination of scratch resistance of paints and varnishes" complies with ISO 1518-1 standard

Technical Specifications:

Motor power: 60W

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weight50g/2 pieces, 100g/2 pieces, 200g/yard 1 piece, 500g/1 piece, 1000g/1 piece. Needle steel ball diameter: 1mm

Test load: 50g~2000g

Needle movement speed: 30~ 40 mm/s

power supply: 220V AC 50/60Hz

Overall dimensions/Weight: 450x290x 170mm (length x width x height)

weight: 26kg