LONGLITE® TPEE 1172LL

About
1172LL is high modulus grade with nominal Durometer hardness of 72D. It contains non-discolour stable antioxidants. It can be processed by thermoplastic processing techniques like injection molding grade. CHARACTERISTICS 1. Excellent high modulus for injection molding grade. 2. Excellent flexibility and fatigue resistance. 3. Excellent creep resistance. 4. Excellent low shrinkage and higher melting temperature&&

Product Description
SupplierChang Chun
GenericTPEE
Material StatusCommercial: Active
FeaturesGood flexibility,Low contractility,Good color stability,Inoxidizability,Fatigue resistance
AvailabilitysNorth America,Asia Pacific,Europe
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.28g/cm³ISO 1183
Melt Flow Rate
230℃,2.16kg30g/10minISO 1133
Shrinkage rate1.0%ISO 294-4
Water absorption rate
23℃,24hr0.30%ISO 62

MECHANICALNominal valueUnitTest method
Shore hardness
Shaw’s D72 ISO 868
Tensile modulus854MPaISO 527-2
tensile strength
yield40.0MPaISO 527-2
Tensile strain
fracture240%ISO 527-2
Bending modulus290MPaISO 178

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength14kJ/m²ISO 179-1eA

THERMALNominal valueUnitTest method
Melting temperature
DSC218ISO 3146

Electrical performanceNominal valueUnitTest method
Surface resistivity9.0E+13ohmsIEC 60093
Volume resistivity1.3E+16ohms·cmIEC 60093
Dielectric strength
2 mm18kV/mmIEC 60243-1

Process Conditions
injectionNominal valueUnitTest method
Drying temperature105°C
Drying time3.0 to 5.0hr
Recommended maximum moisture content< 0.10%
Barrel rear temperature220 to 230°C
Barrel middle temperature230 to 260°C
Barrel front temperature230 to 260°C
Nozzle temperature230 to 260°C
Processing (melt) temperature218°C
Mold temperature20 to 50°C
Injection pressure29.4 to 98.1MPa
Hold pressure4.90 to 39.2MPa
Screw speed40 to 80rpm

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