YUCHENGTECH Four-Sided Wet Film Coating Applicator - Stainless Steel Tool For Precise Paint Testing

If you work with coatings, paints, or inks, this four-sided applicator is a must-have. Made from stainless steel, it’s super sturdy and built to last. The cool part? It has four different gap sizes all in one tool—just rotate it 90 degrees to switch between them. This model offers 250µm, 500µm, 750µm, and 1000µm gaps, perfect for applying wet films of specific thicknesses or testing hiding power, color, and drying time. The cylindrical shape gives smooth, even results, especially on firm or smooth surfaces. It’s 80mm wide and 100mm long, meeting ASTM D 823-25 standards. Whether you're in a lab or doing quality checks, this applicator makes it easy to get consistent, repeatable samples. No more guessing—just precise, professional results every time.