Putting Blender Accuracy To the Test.(Brief Article)

Plastics Technology, November, 1999 by Schut, Jan H.

When you look at competing claims for gravimetric batch blenders, the issue is accuracy. Virtually all makers of the equipment claim similar accuracy, but the numbers appear to mean different things to different people. You need to know what counts for you and how to test accuracy with your own resin and regrind.

Blender accuracy is very much in the eye of the beholder. Hard data are rare, as is any firm definition of what accuracy means. "About accuracy, we all pretty much say what Maguire says," admits the marketing head of a competing blender manufacturer.

Maguire Products wasn't the first to market a weigh blender, but it was first to capitalize on a huge injection molding appetite for inexpensive batch blenders that could tally resin ingredients...

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