THERMOPLASTIC ELASTOMERS | MATERIALS
where consumers cannot be sure the electricity they use has come directly from renewable sources but the overall share of green electricity in the grid rises in step with demand. Hexpol TPE can replace the fossil polymers in its TPE compounds with the bio-attributed mass-bal- anced version to create a 1:1 replacement while maintaining the same technical properties, chemi- cal composition, and regulatory status. Third-party verification is required to audit the mass balance allocation and allow for correct product labelling, and Hexpol’s Swedish site was among the first TPE compounders to achieve ISCC PLUS certification. The new materials will form part of the Medi-
prene portfolio of TPEs for medical applications. Typical applications include airway management, face masks, resealable membranes, IV systems, seals and connectors.
Inger Haag Olsson, Medical Development Engineer at Hexpol TPE, says: “These mass-bal- anced TPEs allow customers to meet performance requirements while ensuring the regulatory status and, at the same time, working towards their sustainability goals.” In keeping with the current theme, the company has added to its portfolio of TPEs containing recycled content with Dryflex Circular MWR TPE, which uses recyclate from post-use maritime ropes. To acquire the raw materials, Hexpol TPE is working with Plastix, a Danish company specialising in sorting and recycling plastic fibre waste from the maritime industry. These TPEs are available in 40 Shore A to 50 Shore D hardnesses with 10-60 % recycled content in black, blue, green and mint colours. Kraiburg TPE’s Thermolast H series of solutions have been designed for healthcare and medical device applications, and feature good compression set, resealing properties, soft touch, and low friction, as well as being cost-effective. The com- pounds meet a variety of international standards and can also be sterilised using an autoclave at 121°C and EtO. The compounds are available in translucent and natural colours with precolouring available in-house to suit customer specifications. The German TPE producer is another that is
increasingly focusing its efforts on developing more sustainable solutions having recently launched the Thermolast R RC/PCR/AP series of compounds, which contain up to 35% PCR content targeted at sustainable grips, handles, connectors and other applications. Thermolast compounds meet the RoHS compliances and boast good
Left: The market for household products is continually growing, offering application opportunities for TPEs, says Kraiburg TPE
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IMAGE: KRAIBURG TPE
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