Retpol® 7157 TF HS

Category: PP Copolymer , Polypropylene Copolymer
Manufacturer: PolyPacific Pty. Ltd.
Trademark: Retpol®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: AI5Brq_Retpol-7157-TF-HS.pdf
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CORTON 7157 HS is a 20% talc filled copolymer polypropylene compound. It is a low flow extrusion grade developed for blow moulding applications providing good rigidity and impact strength. It is stabilized to meet automotive heat ageing requirements of 21 days at 150°C.
General Information
Filler / Reinforcement
  • Talc, 20% Filler by Weight
Additive
  • Heat Stabilizer
Features
  • Copolymer
  • Good Impact Resistance
  • Good Stiffness
  • Heat Stabilized
  • Low Flow
Uses
  • Automotive Applications
  • Automotive Under the Hood
  • Blow Molding Applications
Forms
  • Granules
Processing Method
  • Blow Molding
  • Extrusion
PhysicalNominal ValueUnitTest Method
Specific Gravity 1.04g/cm³ASTM D792
Melt Mass-Flow Rate (MFR) (230°C/2.16 kg)1.5g/10 minASTM D1238
Molding Shrinkage - Flow (3.00 mm)1.1 to 1.3%ASTM D955
HardnessNominal ValueUnitTest Method
Rockwell Hardness (R-Scale, 3.00 mm)88ASTM D785
Durometer Hardness ASTM D2240
    Shore D, 3.00 mm 73
    Shore D, 15 sec, 3.00 mm 65
MechanicalNominal ValueUnitTest Method
Tensile Strength 1(3.00 mm)26.0MPaASTM D638
Tensile Elongation 2(Break, 3.00 mm)230%ASTM D638
Flexural Modulus (3.00 mm)2030MPaASTM D790
ImpactNominal ValueUnitTest Method
Notched Izod Impact (3.00 mm)120J/mASTM D256
Unnotched Izod Impact (3.00 mm)1200J/mASTM D256
ThermalNominal ValueUnitTest Method
Deflection Temperature Under Load ASTM D648
    0.45 MPa, Unannealed, 3.00 mm 119°C
    1.8 MPa, Unannealed, 3.00 mm 59.0°C
CLTE - Flow (-30 to 30°C, 3.00 mm)8.0E-5cm/cm/°CASTM D696
InjectionNominal ValueUnit
Suggested Max Regrind 10%
ExtrusionNominal ValueUnit
Drying Temperature 100 to 120°C
Drying Time 2.0 to 4.0hr
Cylinder Zone 1 Temp. 180 to 240°C
Cylinder Zone 2 Temp. 180 to 240°C
Cylinder Zone 3 Temp. 180 to 240°C
Cylinder Zone 4 Temp. 180 to 240°C
Cylinder Zone 5 Temp. 180 to 240°C
Adapter Temperature 180 to 200°C
Die Temperature 200 to 230°C
Note Message
1 .50 mm/min
2 .50 mm/min
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