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Soft Crease Scoring Technology




HLP Klearfold has a strong commitment to continuous research that reflects our resolve to remain the clear plastic packaging innovator and market leader. We are the world's leader in radio frequency (RF), or Soft Crease® scoring. While other plastic box creasing methods can produce stiff or fragile scores, our Soft Crease Klearfold cartons are more durable, fold cleanly, and maintain their crisp shape.

We've pioneered the development of RF creasing of environmentally-preferred APET and RPET box-grade plastics. The result is environmentally-preferred packaging with a premium appearance and premium performance.

The uniformity and consistency of our Soft Crease scoring provide superior performance in both hand-fill and automated, high-speed filling applications.

For hand-fill applications, nothing beats our Soft Crease, clear plastic boxes with auto-bottoms. Auto-bottom cartons set up quickly and easily, and our time and motion studies have shown significant labor cost savings, up to 30%, as compared to the hand set-up of standard tuck cartons.

The uniformity of our Soft Crease scoring, our unmatched experience, the efficient layout of auto-bottom cartons on a sheet plus our state-of-the-art gluing equipment combine to make Klearfold auto-bottom cartons a very affordable option for hand-fill packaging applications.


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