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2007-06-21 News Release
New plastics closures combine organoleptic properties Borealis creates plastics solutions with the design of a unique polypropylene grade to produce closures for bottled water, as well as sports and energy drinks.
This new plastics solution, RE450MO, supports the beverage industry’s ambitions to create ever-more sophisticated and differentiated user-friendly closures. RE450MO retains the natural taste of the liquid inside while delivering design possibilities not previously available with existing polyethylene (PE) or polypropylene (PP) caps. RE450MO is a new plastics solution based on Borealis’ unique Borstar* technology. This proprietary Borealis technology allows the tailoring of molecules to fit the needs of the value chain by combining good mechanical properties with good processability. The strength, flexibility, easy integration of coloring and organoleptic properties of the new grade, provide product differentiation and recognition for brand owners and attractive, safe, user-friendly packaging for consumers. (Organoleptic properties are the properties affecting qualities such as taste or odor of a substance.)
The material does not contain additives that could taint the natural taste or odor of the bottled product. Retaining the natural taste and odor of a bottled liquid is a top priority. Until recently, the organoleptic properties of PE have made it the only option for unlined caps used for taste sensitive drinks such as water. RE450MO contains ultra-low levels of volatile organic compound (VOC), giving the material high purity. Tests have shown that it fully matches the excellent taste and odor properties of standard PE plastics grades commonly used for beverage caps. From a design perspective, RE450MO offers good flow, low stress whitening and good hinge performance. Its flow flexibility allows versatile designs based on transparency, translucency or coloring. Plastics hinges and closure fittings can withstand the stress of repeated use with minimal discoloration. Borealis worked closely with Seaquist Closures, a leading manufacturer of dispensing closures and systems, to introduce this pioneering development in the market. Seaquist closures offers more convenience than traditional push-pull and flat screw plastics caps. Each of their beverage closures contain a patented silicone valve that prevents leaks, drips and spills that are so common with beverage packages being used on the go. “Our customers, the product and brand owners, are always looking
for new ways to make their products stand out from the competition, says
Franz Lenz , Vice President Product Development & Technology of Seaquist
Closures. To achieve this, we have to use materials in our closures that
allow us to embrace trends and deliver a combination of practical functionality
and exciting designs. RE450MO from Borealis provides the ideal mix of
organoleptic and purity properties while allowing for versatile designs
and the colors that are preferred today.” Plastics Manufacturing Jobs - Post Employment Opportunity!
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