PEEK-OPTIMA® Granular

About
PEEK-OPTIMA® polymer from Invibio® is a high performance biomaterial providing advanced solutions for implant manufacturers. Formulated to meet the most exacting in-vivo criteria, PEEK-OPTIMA is biocompatible, safe and stable.&&

Product Description
GenericPEEK
Material StatusCommercial: Active
FeaturesGood Rigidity,Good disinfection,Steam sterilized,Hydrolysis stability,Biocompatible,Radiation disinfection,Good wear resistance,Solvent resistance,Ethylene oxide disinfection
AvailabilitysNorth America,Europe

Technical Data
PHYSICALNominal valueUnitTest method
Density1.29g/cm³ASTM D792
Shrinkage rate
MD:3.0 mm1.2%ASTM D955
Water absorption rate
23℃,24hr0.50%ISO 62

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch63J/mASTM D256
Notched impact strength of cantilever beam无断裂 ASTM D256

THERMALNominal valueUnitTest method
Melting temperature340DSC
Linear coefficient of thermal expansion
MD ASTM D696
4.7E-5cm/cm/℃ASTM D696
1.1E-4cm/cm/℃ASTM D696
Relative temperature index260UL 746
Electrical performance260UL 746
Impact mechanical performance260UL 746

MECHANICALNominal valueUnitTest method
Rockwell hardness
M-level99 ASTM D785
tensile strength
yield100MPaISO 527-2/1B/50
Tensile strain
fracture20%ISO 527-2/1B/50
Bending modulus4000MPaISO 178
bending strength170MPaISO 178
compressive strength118MPaASTM D695
shear modulus1300MPaASTM D732
shear strength53.1MPaASTM D732
Poisson’s ratio0.40 ASTM E132

Process Conditions
injectionNominal valueUnitTest method
Drying temperature150°C
Drying time3.0hr
Recommended maximum moisture content0.10%
Proposed maximum recycled material ratio0%
Barrel rear temperature350 to 355°C
Barrel middle temperature355 to 365°C
Barrel front temperature360 to 370°C
Nozzle temperature365 to 375°C
Mold temperature160 to 200°C
Injection pressure7.00 to 14.0MPa
Hold pressure4.00 to 10.0MPa
Back pressure0.200 to 5.00MPa
Screw speed50 to 100rpm
Clamping force5.0 to 8.0kN/cm²
Screw length to diameter ratio18.0:1.0 to 24.0:1.0 
Screw compression ratio2.0 : 1.0 to 3.0 : 1.0 

Notes
1. Typical properties: these are not to be construed as specifications.
2. Below Tg
3. Above Tg
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