The material selection platform
Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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ChronoFlex AL™ 55A

ChronoFlex AL™ 55A by AdvanSource Biomaterials is a strong, phthalate-free, aliphatic polycarbonate-based thermoplastic polyurethane (TPU + PC) elastomer. Is a bio-durable and biocompatible grade, available in antimicrobial, radiopaque and solution form. Exhibits low modulus of elasticity, inherent material strength and limited softening in-vivo. Offers excellent chemical-, solvent- and environmental stress-cracking resistance (ESCR). Designed to overcome surface degradation such as stress-induced microfissures. ChronoFlex AL™ 55A can be used across a broad range of areas ranging from oncology and neurology to cardiovascular disease management. Recommended for reliable performance in long and short term implantable devices. Complies with USP CLASS VI, ISO 10993-5, ISO 10993-11 and ISO 10993-10 regulations.
Product Type
TPU or TPE-U (Thermoplastic Polyurethane) > TPU + PC
Physical Form
Product Status

ChronoFlex AL™ 55A Properties

Mechanical Properties

Value & Unit
Test Condition
Test Method
Hardness, Shore
55 -
(Shore D)
ASTM D2240
Tensile Strength, Ultimate
5000 - 10000 psi
( )
Tensile Strength
1500 - 1800 psi
(at 50% elongation)

ChronoFlex AL™ 55A Processing Guidelines

Processing Properties

Value & Unit
Test Condition
Test Method
Dew Point
- 40 °F
Hopper Temperature
120 - 150 °F
Pre-Drying Temperature
160 - 200 °F
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