Scratch resistance tester for paint surface

comply withISO 1518，BS 3900，ASTM D 5178andASTM D 2197Relevant standard requirements. Scratch tester can test the scratch resistance of product surface coatings, such as coil paint, iron can ink, metal paint, automotive surface coatings, etc. The scratch tester is suitable for evaluating the surface scratch resistance of single or composite coatings on color coated plates. The scratch resistance of the coating is evaluated by the negative weight of a spherical steel needle scratching the coating or a spherical steel needle not scratching the coating under a certain weight. When testing with a scratch tester, use a tape with a diameter of1mmA hemispherical marking needle slowly contacts the surface being measured and marks the treaty10cmLong scratches. Depending on the testing purpose and the load applied, different degrees of penetration can be observed, ranging from surface marks to complete penetration. The motor drives the sample to lightly contact the needle, and the needle slides over the sample, automatically stopping when it reaches the endpoint. The contact between the scratch needle and the metal substrate is identified by a voltmeter. When the coating of the tested sample is scratched, the ammeter displays that there is current passing through.

2、 Technical indicators

★ Motor:60W 220V 50HZ

★ Weight of weights:1000g/500g/200gEach one,100g/50gEach two

★ Needle steel ball diameter:1mm

★ Operating itinerary:100mm

★ Running speed:30-40mm/sec

★ Dimensions:380*300*180mm(Long)*wide*High)

★ Net weight of the instrument:30kg

Speed controlled scratch tester Application of paint film scratch tester and paint coating testing equipment

The strength, hardness, and adhesion of the coating are important physical properties of the coating, and their size directly affects the important performance of the coating, such as wear resistance; Wear resistant graininess; Scratch resistance; The impact resistance, retention effect of the coating film, and ease of cleaning are essential indicators for evaluating the performance of coatings, such as coating strength and hardness. The use of this instrument allows for a comprehensive evaluation of physical properties such as coating strength, hardness, and adhesion. Therefore, the purpose of this instrument is to characterize the strength, hardness, and adhesion of the coating by measuring the resistance to penetration of the coating sample when scratched by a scratch needle.

This instrument is designed for implementation purposesGB9279The specialized equipment developed is a condition for the implementation of this national standard.