[QLP] Paint Leveling and Coating Tester,QLP Coating Leveling Scratch Tester
Designed and manufactured according to ASTM and D2801 standards, QLP type paint leveling and scratching tester. Generally used in conjunction with the sag tester, the leveling (dispersion) and sag of the test coating during construction and drying are compared to achieve the required surface effects. Because it is a special test and saves time, it can quickly test whether the product is qualified or not, so as to quickly adjust the formula. Second, the structure: Five pairs of grooves of different depths were prepared on a steel U-shaped frame stem. The steel U-frame is stable to wear and easy to clean. Third, the groove depth: 0.1/0.2/0.3/0.5/1.0 pairs (mm); 0.25/0.5/1.0/2.0/4.0 pairs (mm) Fourth, the method of use 1. Place the test piece horizontally (glass plate, test card). Place the material to be tested at one end of the test panel and place the leveler before the paint. 2. Press the leveler with the appropriate pressure and pull the leveler evenly backwards. The paint to be