HiPrene MM71T

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HiPrene® MM71T is a mineral filled, impact modified polypropylene compound suitable for injection moulding. This material has been developed especially for Thin Layer highly demanding aesthetic automotive application, with perfect scratch resistance and UV stabilization. It is especially suitable for car interior applications requiring ductility, because of its high impact resistance with lesser sharp edge crush during the crush test in car and requiring very high scratch resistance because of location in the car interior. This material is available in natural or color-matched, pellet form.

PropertiesTest conditionMethodUnitValue
ProcessingPre-Drying2 - 4 hDehumidified Dryer°C60 - 80
ProcessingMolding (Barrel) Temperature3-Zone screw°C210 -250
ProcessingMold Temperature°C30 - 50
ImpactIzod Impact Strength23°CASTM D256J/m350
ThermalTemperature of Deflection under Load (HDT)ASTM D648˚C130
ThermalVolatile MattersGS Method%0,1
ThermalAsh Content600°CGS Method%13
PhysicalMelt Mass-Flow RateASTM D1238g/10min30
PhysicalSpecific GravityASTM D792g/cm³0,98
MechanicalTensile Strain at BreakASTM D638%100
MechanicalTensile Stress at YieldASTM D638MPa22
MechanicalFlexual Modulus23°C (2mm/min)ASTM D790MPa2450
HardnessRockwell HardnessR-ScaleASTM D78570