Tech Team · Kintek Solution

Laboratory test sieves are available in various sizes, typically defined by the diameter of the sieve frame and the mesh size. The common sizes include:

1. 3" (75 mm) diameter screens: These sieves come with mesh sizes ranging from 4 mesh (4.75 mm) to 500 mesh (0.025 mm).
2. 8" (200 mm) diameter screens: Similar to the 3" sieves, these also offer a range from 4 mesh (4.75 mm) to 500 mesh (0.025 mm).
3. 12" (300 mm) diameter screens: These sieves cover a mesh size range from 4 mesh (4.75 mm) to 500 mesh (0.025 mm).
4. 18" (500 mm) diameter screens: These are available with mesh sizes from 4 mesh (4.75 mm) to 325 mesh (0.045 mm).
5. 24" (600 mm) diameter screens: Similar to the 18" sieves, these offer mesh sizes from 4 mesh (4.75 mm) to 325 mesh (0.045 mm).

The mesh size of a sieve determines the size of particles that can pass through its openings. Larger mesh numbers indicate smaller openings, allowing only finer particles to pass. For instance, a 4 mesh sieve has larger openings (4.75 mm) suitable for coarse particles, while a 500 mesh sieve has very fine openings (0.025 mm) designed for extremely fine particles.

In addition to these standard sizes, there are also special sieves with pore sizes smaller than 20 μm, and "micro" sieving techniques can achieve down to 5 μm. These finer sieves are crucial for applications requiring high precision in particle size analysis, such as in the pharmaceutical or nanomaterial industries. However, the use of such fine sieves can lead to clogging issues, necessitating special handling and maintenance.

The development of sieves has evolved from simple woven reeds in ancient times to modern woven wire cloth and electrodeposited sieves, which offer greater accuracy and durability. Despite the advancements, the fundamental principle of sieving remains consistent: to separate fine material from coarse material using a meshed or perforated vessel.

Discover the precision and versatility of KINTEK's laboratory test sieves, designed to meet the rigorous demands of particle size analysis across various industries. Whether you're working with coarse aggregates or fine powders, our range of sieves from 3" to 24" diameters ensures you have the right tool for your application. Don't let particle size analysis hold you back—upgrade to KINTEK sieves and experience the difference in accuracy and efficiency. Contact us today to find the perfect sieve for your needs and elevate your laboratory's capabilities to new heights!