Arnitel® Care L345A

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Arnitel® is a family of high-performance copolyester-based thermoplastic elastomers (TPC) offering a unique combination of flexibility, chemical resistance and high-temperature performance.
Its unique chemistry consists of hard and soft segments which offer a great degree of design flexibility. This includes proven performance in breathable monolithic films, kink-resistant tubing, soft touch applications, and a variety of other innovative solutions for the medical industry.
Because of DSM’s global commitment to manufacturing quality, medical industry leaders trust Arnitel® when material quality and purity is essential for demanding high-precision components.

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Arnitel® Care L345A

This material data has been provided by DSM.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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PropertyValueConditionTesting Standard


1.25 g/cm³

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ISO 1183

Water absorption

33 %

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Sim. to ISO 62


PropertyValueConditionTesting StandardComment

Elastic modulus

0.11 GPa

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ISO 527-1/-2


280 %

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ISO 527-1/-2

Hardness, Shore D

45 [-]

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ISO 868


Tensile strength

20 MPa

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ISO 527-1/-2


PropertyValueConditionTesting StandardComment

Melting point

185 °C

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ISO 11357-1/-3


Vicat softening temperature

44 °C

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ISO 306

50°C/h 50N

156 °C

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ISO 306

50°C/h 10N

Rheological Properties

PropertyTemperatureValueConditionTesting Standard

Melt volume-flow rate

230 °C

10 cm³/10min

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ISO 1133

Technological properties

Application areas

Medical gowns, Respiratory Tubes