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SABIC adds new HDPE grade for very lightweight caps and closures
Issue date:24/05/2018
Source: CPRJ Editorial Team
(VC)
SABIC introduces new caps & closures material, outlines strategies for growth and the circular economy at the Berlin Plastic Closures Innovation 2018.
SABIC introduces new caps & closures material, outlines strategies for growth and the circular economy at the Berlin Plastic Closures Innovation 2018.

SABIC is reinforcing its activities in the plastics caps and closures (C&C) market. The company will introduce its latest materials and solutions for drink, food and non-food packaging caps and closures, at the Plastic Closures Innovations Conference in Berlin on May 22-24.

As the headline sponsor of the Conference organized by UK-based consultant AMI, SABIC will also discuss its new Caps & Closures Industry segment, launched at the beginning of the year.

With our extensive range of polyethylenes and polypropylenes, SABIC has already built a strong position in caps and closures,” says Hans Pierik, SABIC’s global Caps and Closures segment leader.

SABIC’s goal is to extend its application coverage across food and beverage and non-food areas alike, especially detergents, cosmetics and pharmaceuticals.

“SABIC’s Caps & Closure portfolio spans all types of polyethylenes and polypropylene (PE, PP), through to engineering plastics like polycarbonate,” Pierik says. “This year we will be adding more innovative materials, including a new HDPE that makes it possible to cut weight in caps for carbonated soft drinks (CSDs).”

SABIC has developed a new multi-modal grade of HDPE with excellent organoleptics for this major application. It combines an excellent environmental stress cracking resistance (ESCR) with good flow, allowing cap manufacturers to design very lightweight closures.

SABIC HDPE CCX027C polymer exhibits strong shear thinning, which means that even though it has a relatively low MFI (0.8 g/10 min, 2.16 kg), its flow characteristics during injection molding are similar to those of a unimodal HDPE with an MFI more than three times higher.

According to SABIC, improvements to ESCR and physical properties like stiffness and impact strength will enable extra lightweighting, reductions in required processing temperatures will help processors save energy and cut cycle times, and even better organoleptics will meet needs for caps that have no effect on the taste of packaging contents (especially important for bottled water).

In addition to developing innovative materials for better sustainability, SABIC is also contributing to a more sustainable packaging industry by partially replacing crude oil with renewable feedstocks in its production of PE and PP. Properties of the partly bio-based plastics are identical to those made from non-renewables alone.

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