Powder and Bulk Engineering
Wednesday, August 20, 2014
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Powder and Bulk Engineering is a technical publication devoted to readers in the bulk solids market, worldwide.
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Publication Date: 05/1995
Pages: 6
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Packaging hard-to-handle materials in valve bags

If your material is very fine, lightweight, nonfree-flowing, or otherwise hard to handle, you should know there are ways to economically package the material in valve bags. After discussing requirements for economical bagging and listing some hard-to-handle materials, this article covers various methods for producing stackable valve bags of accurate weight and explains how to choose a valve sealer. Related information provides more detail about recycling valve bags and types of valve sealers.

Bagging operations are faced with achieving higher production rates, ensuring high bag-weight accuracy, maintaining a clean bag appearance, and keeping a clean environment for workers. Environmental concerns also demand that bag materials be recycled to reduce solid wastes. [Editor's note: For more information, see the sidebar, "Helping to meet environmental demands: Recycling valve bags."] To achieve these goals economically can be a challenge.

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