PROTEQ™ C15ST4L

About
PROTEQ™ C15ST4L is a medium flow, impact modified, 20% talc filled, heat stabilised grade of polypropylene copolymer. It is intended for use in applications where relatively higher impact resistance and heat age stability is required. Note: The letter “U” indicate UV stabilisation has been added [ ie: PROTEQ™ C15UST4 ].&&

Product Description
SupplierQenos
GenericPP copolymer
Material StatusCommercial: Active
FeaturesWeather resistance is good,Good heat aging resistance,High impact resistance,Moderate liquidity,Copolymer,Heat Stabilized,HB
AvailabilitysNorth America,Latin America,Asia Pacific

Technical Data
PHYSICALNominal valueUnitTest method
Density1.04g/cm³ASTM D792
Melt Flow Rate
230℃,2.16kg12g/10minASTM D1238
Shrinkage rate
MD:3.0 mm1.2%ASTM D955

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch
3.2mm75J/mASTM D256
Notched impact strength of cantilever beam
3.2 mm680J/mASTM D256

THERMALNominal valueUnitTest method
Hot deformation temperature ASTM D648
0.45 MPa, unannealed, 3.2 mm126ASTM D648
1.8 MPa, unannealed, 3.2 mm68.0ASTM D648
Linear coefficient of thermal expansion
MD7.5E-51/℃ASTM D696

FLAME CHARACTERISTICSNominal valueUnitTest method
1.60 mmHB UL 94
Igniting temperature of the hot wire
1.6 mm550AS/NZS 60695

MECHANICALNominal valueUnitTest method
Shore hardness ISO 868
Shaw’s D70 ISO 868
Shore D, 15 seconds62 ISO 868
tensile strength
3.20 mm26.0MPaASTM D638
Tensile strain
Fracture, 3.20 mm50%ASTM D638
Bending modulus
3.20 mm2150MPaASTM D790
bending strength
3.20 mm43.0MPaASTM D790

Process Conditions
injectionNominal valueUnitTest method
Drying temperature85 to 90°C
Drying time2.0 to 4.0hr
Barrel rear temperature195 to 215°C
Barrel middle temperature205 to 225°C
Barrel front temperature215 to 235°C
Processing (melt) temperature220 to 270°C
Mold temperature50 to 80°C
Injection pressure60.0 to 140MPa
Injection speed中等 
Back pressure0.100 to 0.500MPa
Screw speed40 to 60rpm
Clamping force3.0 to 6.0kN/cm²

Notes
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