测试项目:铅笔硬度、划格试验,级、20微升水和 5微升正十六烷滚动角。
测试依据:GB/T 6739-2006 色漆和清漆铅笔法测定漆膜硬度、GB/T 9286-2021 色漆和清漆划格试验、倾斜板放法。
测试结果:铅笔硬度,3H 擦伤。附着力,0级 (2a-间隔 1mm)。滚动角(水), 4.8°。滚动角(正十六烷), 2.4°。
Test items: Pencil hardness, cross cut test, grade, 20 microliters of water, and 5 microliters of n-hexadecane rolling angle.
Test basis: GB/T 6739-2006 Paints and Varnishes - Determination of Film Hardness by Pencil Method, GB/T 9286-2021 Paints and Varnishes Cross Cut Test, and Tilt Plate Placement Method.
Test results: Pencil hardness, 3H scratch. Adhesion, level 0 (2a -1mm interval). Rolling angle (water), 4.8 °. Rolling angle (n-hexadecane), 2.4 °.