Technical datasheet

GAPEX® RPP40EB81HB BLACK

Supplied byLyondellBasell- Last Updated on Jul 15, 2025

GAPEX® RPP40EB81HB BLACK by LyondellBasell is a chemically coupled, polypropylene (PP) homopolymer grade reinforced with 40% glass fiber. It offers improved appearance and performance of plastics in a number of specialized applications. GAPEX® RPP40EB81HB BLACK is processed by injection molding.
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Benefits

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Compliance

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GAPEX® RPP40EB81HB BLACK properties

Mechanical properties

PropertiesValue & unitTest conditionTest method
1% Secant Flexural Modulus0.0 Visible After LoginVisible After LoginVisible After Login
Elongation at Break0.0 Visible After LoginVisible After LoginVisible After Login
Flexural Modulus, Tangent0.0 Visible After LoginVisible After LoginVisible After Login
Flexural Strength0.0 Visible After LoginVisible After LoginVisible After Login
Impact Strength, Notched Izod0.0 Visible After LoginVisible After LoginVisible After Login
Impact Strength, Unnotched Izod0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strength0.0 Visible After LoginVisible After LoginVisible After Login

Other properties

PropertiesValue & unitTest conditionTest method
Impact Strength, Gardner0.0 Visible After LoginVisible After LoginVisible After Login

Physical properties

PropertiesValue & unitTest conditionTest method
Density0.0 Visible After LoginVisible After LoginVisible After Login
Linear Mold Shrinkage, Across Flow0.0 Visible After LoginVisible After LoginVisible After Login
Linear Mold Shrinkage, Flow0.0 Visible After LoginVisible After LoginVisible After Login
Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)0.0 Visible After LoginVisible After LoginVisible After Login

Thermal properties

PropertiesValue & unitTest conditionTest method
Heat Deflection Temperature (HDT), Unannealed0.0 Visible After LoginVisible After LoginVisible After Login
Heat Deflection Temperature (HDT), Unannealed0.0 Visible After LoginVisible After LoginVisible After Login

GAPEX® RPP40EB81HB BLACK Processing Guidelines

Injection Molding Processing Guidelines

PropertiesValue & unitTest conditionTest method
Back PressureVisible After LoginVisible After Login
CushionVisible After LoginVisible After Login
Drying TemperatureVisible After LoginVisible After Login
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Front TemperatureVisible After LoginVisible After Login
Injection RateVisible After LoginVisible After Login
Melt TemperatureVisible After LoginVisible After Login
Middle TemperatureVisible After LoginVisible After Login
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