20 cm chrome plated mesh screen with 24 mesh options (4-600) for precise material separation. The double-layer thickened frame maintains shape during continuous use and delivers consistent results for sample inspection and testing. Whether you work with fine powders about 0.025 mm (600 mesh) or larger particles at 5 mm (4 stitches), this test screen provides reliable performance for laboratory, industrial or pharmaceutical applications. Premium construction and safety: chrome plated frame with a 304 stainless steel mesh bottom for superior strength and durability. Rugged design offers wear resistance, toughness and high strength for repeated use in demanding environments. Smooth, finished edges prevent hand injuries during handling, making this screen safe for operators in test or production settings. Versatile applications: suitable for sifting and separating plastics, aluminum, zinc, metal ash, fruit, screws, medicine, grains, dehydrated vegetables, sand, soil, and more. A multi-purpose tool across industries such as food processing, textiles, shipbuilding, metallurgy, petroleum, coal, water treatment, pharmaceuticals and mineral processing, providing consistent separation results for quality control. Professional specifications: diameter 20 cm with a silver chrome plated frame. Available in multiple mesh sizes with openings ranging from 5 mm (4 stitches) to 0.025 mm (600 mesh), allowing exact particle size separation and analysis. Standardized dimensions and calibrated mesh openings align with standard testing protocols in the laboratory and industry.