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Home > News > Packaging

KHS develops rPET bottles with innovative glued-in handle

Source：Adsale Plastics Network Date ：2022-11-15 Editor ：JK

KHS has further developed its rPET containers for the home care and food sectors. In addition to bottle handles slotted into place mechanically, the company now offers a glued-in process that gives users plenty of benefits: stretch blow molded using the preferential heating method, the KHS PET bottle is more stable than the extrusion-blow-molded polyolefin alternatives currently available on the market.

Glued-in handles also require a simpler contour than the clip-in variety, again saving on material and at the same time increasing efficiency in the stretch blow molding process. Both the bottle body and handle are fully recyclable and made of rPET.

The development of the 2.3-liter PET bottle with a glued-in handle is the result of a one-and-a-half-year cooperation between KHS and Logoplaste Innovation Lab.

“Our adhesive technology enables us to cut down on the amount of energy and material used in production and manufacture a container that’s both more stable and visually more appealing than the standard products currently available on the market,” stated Sebastian Wenderdel, PET sales business development manager at KHS.

Both the bottle body and handle are fully recyclable and made of rPET.

Direct comparison reveals that up to 30% fewer resources are used in the manufacturing process, with 10% in material saved over a clip-in handle. Instead of producing the bottle on an extrusion blow molder as is common, stretch blow molding it is particularly energy-efficient.

In conjunction with preferential heating KHS provides an extremely precise and reliable piece of plant equipment. This tried-and-tested, energy-efficient heating method permits homogenous distribution of the material during the stretch blow molding process in plastic bottles with an irregular and complex design, thus lowering the number of resources used and boosting bottle stability.

Neck alignment with millimeter accuracy as an optional component allows precise product dosing with the help of oriented spout caps. Furthermore, as the new PET bottle does not have any seams - as opposed to those on standard containers made of HDPE or PP - it has proved convincing in rigorous in-house drop tests.

When selecting a suitable adhesive, the design team drew on the years of expertise accumulated by KHS during the Nature MultiPack project.

The container provides a further plus when it comes to product marketing. “The transparent PET material makes the product visible,” Wenderdel said. Moreover, customers can have their very own bottle designed with the help of KHS Bottles & Shapes service program.

With the development of its new PET bottle with a glued-in handle KHS is moving closer towards a circular economy in this regard – and with this system wishes to not only address manufacturers of home care products but also food producers.

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Source：Adsale Plastics Network Date ：2022-11-15 Editor ：JK

The development of the 2.3-liter PET bottle with a glued-in handle is the result of a one-and-a-half-year cooperation between KHS and Logoplaste Innovation Lab.

Both the bottle body and handle are fully recyclable and made of rPET.

When selecting a suitable adhesive, the design team drew on the years of expertise accumulated by KHS during the Nature MultiPack project.