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Blend the dots?

July 23, 2013

Every plastic injection molding company has a choice in how to feed material to their process in order to produce a marketable product with the properties they need.

Heretofore, most processors purchased materials that were prefabricated into specialized pellets to produce the specific color and properties that they needed. It was a very simple process then, to feed these customized compounds into their process.  However, the cost of these custom compounds were significantly higher than the cost of the individual raw ingredients.

Moreover, cost-conscious molders knew they needed to deal effectively with the scrap plastic that was produced from their process and understood that simply discarding it or selling it to others for re-processing cost them money. They could conceivably roll it back into their own process if they had a method for introducing it into the material stream at a repeatable, measured rate.

There’s more: since many processors changed the material, the color and the characteristics of the products they produced, keeping quantities of all the uniquely compounded materials they processed created an inventory headache.

The answer? Blending and Dosing.

By using a high-tech device for mixing materials together on an as-needed basis, inventories are reduced to only the necessary raw materials for the process.  There is no costly pre-compounding step and reground material can be rolled directly into the process as required, with no disruption in the work flow. This results in significantly lower material costs, less inventory, more efficient usage of reground material and, if the correct blending/dosing device is utilized, an increase in part or product quality and 100% reproduceable results.



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