Technical datasheet

PEEK-OPTIMA™ Natural LT3

Supplied byInvibio- Last Updated on Aug 13, 2025

PEEK-OPTIMA™ Natural LT3 by Invibio is a natural colored, high performance, biocompatible polyetheretherketone (PEEK) grade available in the form of granules and rods. Possesses extremely low levels of extractables and leachables. Exhibits high chemical resistance, excellent mechanical properties such as stiffness, toughness and durability. Offers exceptional product purity, quality testing and control. Shows good compatibility with MRI, X-ray and CT imaging without producing artifacts. PEEK-OPTIMA™ Natural LT3 is a standard implant material recommended for medical applications including spinal fusion. Also suitable for suture anchors, fixation and trauma screws, femoral implants, dental implants, total and partial joint replacement and cranio maxillofacial patient-specific implants. Complies with US FDA Drug & Device Master files.
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PEEK-OPTIMA™ Natural LT3 properties

Mechanical properties

PropertiesValue & unitTest conditionTest method
Compressive Strength0.0 Visible After LoginVisible After LoginVisible After Login
Elongation at Break0.0 Visible After LoginVisible After LoginVisible After Login
Elongation at Break0.0 Visible After LoginVisible After LoginVisible After Login
Flexural Modulus0.0 Visible After LoginVisible After LoginVisible After Login
Flexural Modulus0.0 Visible After LoginVisible After LoginVisible After Login
Flexural Strength0.0 Visible After LoginVisible After LoginVisible After Login
Hardness, Rockwell M0.0 Visible After LoginVisible After LoginVisible After Login
Impact Strength, Notched Izod0.0 Visible After LoginVisible After LoginVisible After Login
Impact Strength, Notched Izod0.0 Visible After LoginVisible After LoginVisible After Login
Impact Strength, Unnotched Izod0.0 Visible After LoginVisible After LoginVisible After Login
Poissons Ratio0.0 Visible After LoginVisible After LoginVisible After Login
Shear Modulus0.0 Visible After LoginVisible After LoginVisible After Login
Shear Strength0.0 Visible After LoginVisible After LoginVisible After Login

Other properties

PropertiesValue & unitTest conditionTest method
Tensile Strength at Yield0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strength at Yield0.0 Visible After LoginVisible After LoginVisible After Login
Viscosity, Melt0.0 Visible After LoginVisible After LoginVisible After Login

Physical properties

PropertiesValue & unitTest conditionTest method
Density0.0 Visible After LoginVisible After LoginVisible After Login
Linear Mold Shrinkage, Flow0.0 Visible After LoginVisible After LoginVisible After Login
Water Absorption0.0 Visible After LoginVisible After LoginVisible After Login

Thermal properties

PropertiesValue & unitTest conditionTest method
CTE, Linear0.0 Visible After LoginVisible After LoginVisible After Login
CTE, Linear0.0 Visible After LoginVisible After LoginVisible After Login
Melting Point0.0 Visible After LoginVisible After LoginVisible After Login
Relative Thermal Index (RTI)0.0 Visible After LoginVisible After LoginVisible After Login

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