ACG launches sustainable blister solution on the market
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The Dortmund-based KHS Group has further developed its rPET container for the homecare and food industries. The recyclable bottle is now also available with a glue-in handle. This saves resources and increases efficiency in the stretch blow moulding process.
In addition to a mechanically fixed handle, the KHS Group The company has also developed a bonded solution that offers users numerous advantages: The stretch-blown PET bottles produced using the preferential heating process are more stable and have a higher than current extrusion-blown alternatives made from polyolefins1. In addition, gluing enables a simpler contour than with a clipped-in handle, which in turn reduces the amount of material used and at the same time increases the efficiency of the stretch blow moulding process. Both the bottle body and the handle can be 100 per cent recyclable and made from rPET.
The development of the 2.3-litre PET bottle with a glued-in handle is the result of a one-and-a-half-year Collaboration between KHS and the Logoplaste Innovation Lab. The aim was to design a container specifically for homecare products in such a way that it minimises CO2-footprint. With their now marketable solution, the companies want to support the industry's sustainability endeavours.
„Thanks to the adhesive technology, we are able to reduce the amount of material and energy used in production and produce a container that is both more stable and visually superior to conventional market solutions.“
Sebastian Wenderdel, Business Development Manager PET Sales at KHS in Hamburg
In direct comparison, the Resource consumption in the manufacturing process reduced by up to 30 per cent; compared to a clipped-in handle, the saving is around 10 per cent. Instead of the usual processing in extrusion blow moulding, production using the stretch blow moulding process enables energy-efficient manufacturing - a not insignificant advantage in view of rising prices for energy and raw materials.
In conjunction with Preferential Heating, KHS offers precise and reliable technology. The proven and energy-efficient heating process enables a Homogeneous material distribution in the stretch blow moulding process for unevenly and complexly shaped plastic containers - which on the one hand reduces the use of resources and at the same time increases its stability. The neck alignment with millimetre precision as an optional component enables precise product dosing using orientated pouring caps. As the new PET bottle also has no seams, unlike conventional HDPE or PP containers has convinced them in demanding internal drop test procedures, according to Wenderdel.
„We offer a recyclable solution whose bottle body and handle are made from 100 per cent recycled material and are also 100 per cent recyclable. This is still a rarity in the area of containers with a handle. The growing demand for environmentally friendly packaging and stricter legal requirements regarding the use of recycled plastic are optimally served by our latest development.“
Sebastian Wenderdel
As PET is the most frequently recycled plastic in the world, its availability on the market is also better than that of materials such as HDPE or PP. These also have the disadvantage that, unlike rPET, they are currently not recyclable.
Source: KHS Group
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