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Latest News / Blog - February 2018

What Happens To An Air Classifier When Moisture Levels Rise

Wednesday, 21st February, 2018

Air classifiers do a great job of removing undesirable fines from quarried crushed stone and heavy mineral sands in a dry process without using any water. In order to effectively remove the fine dust, the moisture in the stone sand must be very low, 1-2% is best but some fines can be removed even at 2.5-3%. Higher moisture reduces an air classifier’s efficiency and requires a larger machine. Excessive moisture can make air classification totally ineffective. Low surface moisture is


Sturtevant Moisture Levels w/ Air Classifier

What is a Micron Anyway?

Wednesday, 14th February, 2018

In the business of particle size reduction you may hear the word, ‘micron’ thrown around. So, what exactly is a micron, and how small is it? In the material reduction industry, micron size is a ‘big’ deal. Let’s take a step back and first define the word itself, ‘micron’ is a shortened word for ‘micrometer’, it comes from the Greek word “Mikros” which means small. (That’s an understatement if we ever heard one, but the Greeks know their stuff so


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