Quadraflex™ ALE-93A

About
Quadraflex™ ALE-93A is high performance aliphatic polyether thermoplastic polyurethane. The polymer is naturally clear and supplied in small pellets for ease of processing. The material exhibits excellent mechanical properties, oxidative stability, biocompatibility, elasticity, non­-yellowing during aging and softening at body temperature. The resin has consistent melt flow properties making it ideal for extrusion. Quadrathane™, Quadraflex™, Quadraban™ and Quadraplast™ performance polymers are primarily used in life science and medical applications including vascular access devices, surgical supplies, respiratory devices, tracheotomy devices, and other medical applications. Typical end products include tubing, catheter parts, balloons, and various medical device components. These performance polymers are available in a variety of durometers, radiopacifiers, colors, and custom formulations.&&

Product Description
GenericTPU-醚
Material StatusCommercial: Active
FeaturesExcellent Processability,High elastic,Good liquidity,Biocompatible,Good color stability,Inoxidizability,Aliphatic series
AvailabilitysNorth America
Process MethodsExtrusion

Technical Data
PHYSICALNominal valueUnitTest method
Density1.05g/cm³ASTM D792
Melt Flow Rate
190℃,2.16kg7.5g/10minASTM D1238
Shrinkage rate
MD0.60 to 1.0%ASTM D955

elastic bodyNominal valueUnitTest method
tensile strength ASTM D412
fracture44.8MPaASTM D412
10% strain3.45MPaASTM D412
100% strain6.89MPaASTM D412
300% strain27.6MPaASTM D412
Tensile strain
fracture500%ASTM D412

THERMALNominal valueUnitTest method
Post curing time
38℃6.0 to 10hr

MECHANICALNominal valueUnitTest method
Shore hardness
Shaw’s A93 ASTM D2240
Bending modulus20.7MPaASTM D790

Process Conditions
injectionNominal valueUnitTest method
ExtrusionNominal valueUnitTest method
Drying temperature54°C
Drying time4.0hr
Recommended maximum moisture content< 3.0E-3%
Barrel rear temperature177°C
Barrel front temperature191°C
Nozzle temperature196°C
Processing (melt) temperature204°C
Mold temperature4 to 32°C
Drying temperature54°C
Drying time4.0hr
Recommended maximum moisture content< 0.030%
Barrel 1 zone temperature171°C
Barrel 2 zone temperature182°C
Barrel 3 zone temperature188°C
Barrel 4 zone temperature193°C
Melt temperature193°C
Nozzle temperature193 to 216°C
Back pressure6.89 to 12.4MPa

Notes
1. Typical properties: these are not to be construed as specifications.
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