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Bereich: Thermoplastische Elastomere
  • Verfasst am 24.12.2012 - Technik
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TPEs as alternative to rubber in plunger seals for single-use syringes

Elasto offers new Mediprene grades for plunger seals in single-use syringes. The TPE seal, which is mounted on the end of the plunger, needs to provide a leakproof seal with the syringe barrel. As ease of use for the medical practitioner and patient comfort are also key requirements, the seal helps to optimise plunger movement for accurate dosage control and ease of injection.

The TPE part as an alternative to a thermoset rubber part needs fewer process steps and less additional operations such as trimming means which allows a faster and more cost-efficient production.
The Mediprene materials are latex-free, which reduces the risk of allergic reactions. Representative grades have passed cytotoxicity tests according to ISO 10993-5 and biocompatibility tests according to USP Class VI. Elasto offers these grades as translucent or coloured compounds.


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