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Removing Fines From Aggregate

20191231Sand intended for construction purposes follows a particular particle gradation. Too much or too little fines and your final product will be of low quality. Traditionally sand is collected with a piece of aggregate equipment called a sand screw. The sand screw is made up of an overflowing tub containing water sand and a large rotating screw. We are here for your questions anytime 24/7, welcome your consultation.

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    201016Normally you just take some extra fines off of the tail of the trowel or from the edges of a form board and fill in the depressionnot a good idea for exposed aggregate. If your repair material contains only fine sand and no larger aggregate the depression will reappear during the washing process.

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