Stainless steel mesh, the screen is tight and flat, and there is no thread picking.
20 mesh test sieves, 20cm/7.88 inches diameter, 5cm/1.97 inches height. Aperture: 0.9 mm.
Seamless blank holder will not jam the material, and tight hemming will not hurt your hands.
The test sieve can be widely used in food, experiment, medical treatment, agriculture, chemical wine geology, metallurgy, scientific research and other industries to filter and sample.
The frame is chrome plated with double-layer iron,which cannot be contacted with liquid or cleaned with water. The frame will rust and is not resistant to acid and alkali corrosion.