Modern Environment Quad Preparator Bird Quad-16/20/24 is a stainless steel bird quad preparer with film thicknesses of 508μm, 406.4μm, 609.6μm. The bird quad preparer has 3 grooves and the groove width is is 70mm and the size is 70x100mm.
HRC48±2
It is used to coat a wet film of specified thickness to measure the covering power and color of the sample or to prepare samples, etc.

Place the template on the platform and secure it so that it does not move when the preparer slides over it. According to the required wet film thickness, select the Applicator, place it on the short side of the sample, close to parallel or at a specified position, then pour about 5 ml of sample in front of the Applicator, press both ends of the Applicator with your fingers, and press at 150 Sliding at a constant speed of mm/second, that is, coating into a wet film of required thickness. After use, wash and dry with solvent, and apply oil or Vaseline on the surface.