ZY-1987B Scratch Tester, Scratch Tester, Automatic Scratch Tester, Scratch Tester Scratch Needle, Scratch Tester Test Needle

Overview: This machine clamps the test board onto a skateboard, which slowly moves the test board while a needle scratches the surface of the paint film. During testing, a fixed force can be applied to the needle to move the test panel back and forth, or the force can be gradually increased to measure the minimum force required to pierce the paint film.

Coating hardness is an important physical property of a coating film, and its size directly affects some important usage properties of the coating film, such as wear resistance, abrasion resistance, scratch resistance, impact resistance, as well as coating retention and ease of cleaning. Therefore, coating hardness is a necessary indicator for evaluating the performance of coatings. This instrument can conveniently measure the hardness of coating films.

Purpose: To determine the scratch resistance of coatings and evaluate the hardness of coatings

Experimental technical features: Hardness is expressed as the minimum load (scratch resistance value) of the load-bearing weight when the scratch needle cuts the coating film

Compliant with standards: GB/T9279-88 ISO1518-73: BS 3900; E2 1518; ISO; ASTM and other standards

Technical parameters:

Scratch length: ≥ 60mm

Sample speed: adjustable from 0-40mm/s

Needle marking steel ball: φ 1mm

Loading range: 0-4000g

Dimensions: 300 × 200 × 300