--- title: Wet Wash Test Sieves, wet wash sieving, water based sieving description: Sieves designed for wet-wash sieving - breakdown agglomeration overcome static charge - reduce particle sticking --- [![CSC Scientific Company, Inc.](https://www.cscscientific.com/hs-fs/file-1239671252-jpg/images/csc-logo-1.jpg "CSC Scientific Company, Inc.")](https://www.cscscientific.com/?hsLang=en-us) # Wet Wash Sieves Sieve Testing with Water Added # Wet Wash Sieving There are several problems in test sieving caused by special characteristics of some materials. If the material is subject to **static-electricity charges**, the particles are prone to stick together and not pass through the proper openings. Other characteristics cause **agglomeration **-** or a clustering together **- of particles, which constrain particles from breaking apart as they are passing through proper openings. There is a third problem of separating the particles so they can pass through the proper openings: that is the problem of** individual particles sticking togethe**r. A process called **wet sieving** can be used to solve most of these problems. The sample is suspended in an aqueous solution which negates the static charges, breaks down the agglomeration, and lubricates near-sized particle. This solution is washed through high-walled sieves of appropriate openings. The residue on each sieve is oven dried, then reweighed to get the separations and calculate the particle size distribution. We offer 8 inch diameter (and equivalent 200mm) sieves for this purpose with brass or stainless steel frames. These sieves are available in 4 inch and 8 inch depths and have mesh sizes from 20 microns to 5 inches. ## See the Wet Wash Sieves in our Online Store [![Go to the Sieve Store](https://no-cache.hubspot.com/cta/default/75757/bff24e53-50d3-4e52-ae80-83a473260a01.png)](https://cta-redirect.hubspot.com/cta/redirect/75757/bff24e53-50d3-4e52-ae80-83a473260a01) ### Wet Washing Kit for the Octagon Sieve Shaker In addition, we have a **Wet Wash Kit for the O****ctagon Sieve Shaker.** This kit includes a special top with a connection to your water source. There is an oversized collection pan with a drain that lets the material pass through from the last smallest sieve and settle in the bottom, and gaskets to insure no leakage between sieves. To help with the set-up and processing of a Wet Wash Sieving process, we offer a kit that can be used with the Octagon Sieve Shaker. ![wet wash Sieving Kit](https://www.cscscientific.com/hs-fs/images/Wet%20Wash%20Sieving%20Kit%20for%20Octagon.jpg?t=1481920130115)Using the kit, the process is simple. There are just a few steps: 1. Assemble stack with washers between each sieve. 2. Put collection pan at the bottom. 3. Place special cover on the top pan. 4. Connect a drain to the outlet on the collection pan. 5. Clamp the stack and connect the water source to the nipple on top. 6. Start the water flow and start the shaker. When the test is finished, dry the material in each sieve and the collection pan. Remove the material and do the sieve analysis. 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