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News

PET film gives longer blade life and consistent breakaway performance in packaging applications

Octal : 18 April, 2011  (New Product)
Octal's DPET sheet offers yogurt packagers an option combining printability, consistent breakaway performance, and cracking resistance and ready recyclability.
Octal is focusing on the food packaging and yogurt segments and is developing new resin grades to meet the increasing demand for environmentally friendly polymers.

Octal has specifically designed the DPET direct-to-sheet manufacturing system to provide the kind of consistency it takes to optimise the performance of form, fill, and seal lines. DPET has excellent flow characteristics, with more material going to cup corners so that package strength is achieved at lower thickness. DPET packages are strong enough to survive the vibration and shock of transportation to retailers and beyond without cracking.

The optical characteristics of DPET are perfect for yogurt packaging. Its smooth, glossy surface is ideal for process printing. Detailed, high impact designs print superbly and give real shelf appeal to products packaged in DPET. Its highly planar, smooth surface also gives excellent sealing performance.

Multi-pack, breakaway applications are ideal for DPET. Its consistent gauge thickness and roll-to-roll uniformity ensure trouble-free performance. DPET also cuts more easily than conventional PET, leading to longer uptime between knife sharpenings or replacements.

The gauge consistency of DPET - it holds to within 1% of specified thickness compared to an industry standard range of 5 to 8% - gives yogurt packagers further advantages. This extremely tight gauge control allows packagers to specify thinner gauges and still achieve target package thicknesses and strengths. Roll-to-roll uniformity is also excellent, meaning more uptime.

Yogurt packagers will also appreciate DPET's faster cycle times in the thermoforming phase of the form, fill and seal process. Controlled, laboratory tests have consistently shown that DPET yields good containers at faster cycle times than conventional PET sheet.
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