Machine / Handmade Stainless Steel Test Sieves 10um - 20000um Aperture

1. What are the main reasons for choosing a test sieve?

    -- Of course, the material and workmanship.

2. What are the main materials of the screen grid?

    -- The screen frame material is divided into: galvanized iron, stainless steel, stainless iron, copper.

3. How to judge whether a test sieve is good or bad?

    -- First, look at whether the aperture of the screen is uniform, and whether the screen is tight will directly test the ability of a master.

4. What is machine frame?

    -- The test sieve for machine frame means that in order to increase the firmness, the frame is made into 2 layers. How to make the 2 layers fit together? Simply put, it is punched out by the machine. Now the main thing that can be used for machine frame is galvanized (chromium) Iron, and 304 stainless steel frame.

5. What is the main difference between stainless steel manual sieve and punched frame sieve?

    -- The manual sieve is made of 201 stainless steel, without polishing, and the color is silvery white. Because it is a manual sieve and handmade, the back of the sieve grid is not smooth and round, and the welds are very rough, with burrs and sticky hands.

    -- The machine frame screen is: 304 double-layer screen, stretched and polished, the wall thickness is 0.6-0.7 mm, the surface can be identified, the overall shape is durable, non-magnetic, the screen and the screen frame are fixed by soldering, and can withstand high temperatures of 300 degrees. In terms of aesthetics, firmness, and corrosion resistance, it is perfect.

Machine Test Sieve Pictures:

Handmade Test Sieve Pictures: 

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