Powder and Bulk Engineering
Monday, September 01, 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: 01/1994
Pages: 3
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Master batching: A basis for uniform mixtures

Achieving the right proportion of a minor or micro ingredient in a batch can make or break the final product. But mixing these ingredients uniformly throughout the batch is no simple matter. This article first describes mixture components, then discusses choosing a mixer, developing a mixing specification, and how to use master batching to achieve uniform mixing. Related information covers ingredient characteristics to consider when creating a master batch.

In a batch, major ingredients [called the carrier] constitute 90 percent or more of the material. A minor ingredient typically makes up 5 percent or less, and a micro ingredient typically constitutes less than 1 percent.

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