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Europe: Clariant releases tools for evaluating color in applications

Clariant offers new blow-molding tools to help companies evaluate how its color and additive masterbatches perform in real-world applications.

The tooling is available for use on full-size production blow-molding machines located in its West Chicago technical center in the United States.

The new single-cavity tool, which is intended for reheat stretch blow molding of clear or colored PET polyester resins, produces a 355 ml round bottle with a long neck and curved sides.

The design is intended to reflect current design trends for liquor bottles, but can also be used to evaluate wine, soft-drinks and other food and beverage containers.

“The tooling we’ve had in the past produced flask-shaped bottles and the broad, flat panels where not as representative of the shapes that producers of liquor bottles and other beverage containers are looking for today,” says Peter Prusak, head of marketing, Clariant Masterbatches North America.

The tooling can be used to evaluate color, as well as performance-enhancing additives and barrier properties.

Prusak says that the way plastic materials stretch to create a bottle’s shape can vary depending on the color and other ingredients in the compound.

A resin/masterbatch combination that works well in one shape can develop cosmetic flaws or unacceptable physical properties in another.

He adds it is why it is important to produce shapes that more accurately mimic the actual end-product containers.

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