Polypropylene also known as PP, Application：Suitable for making general mechanical parts, corrosion resistant and insulating parts, drinking water or sewage pipe, spraying carrier, corrosion resistant trough, acid and alkali resistant industry, waste water, exhaust gas discharge equipment, food machinery, chopping board, rolling pin, plating equipment and etc.
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Property
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Items
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Test method
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Unit
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Results
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Mechanical property
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Tensile strength
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ISO 527-1、2
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Mpa
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30
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Mechanical property
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Bending strength
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ISO 178
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Mpa
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30
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Mechanical property
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Bending tensile stress
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ISO 527
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Mpa
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＞50
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Mechanical property
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Stretching strain at break
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ISO 527
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%
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＞50
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Mechanical property
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Tensile modules of elasticity
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ISO 527
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Mpa
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1450
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Mechanical property
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Compressive stress under 1% and 2% normal strain
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ISO 604
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Mpa
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4/-
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Mechanical property
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Pendulum impact test
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ISO 179/1eA
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kj/m²
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5
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Mechanical property
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Rockwell hardness
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HR
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HR
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R85
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Physical property
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Density
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ISO 1183
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g/cm³
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0.91
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Physical property
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Water absorption (23℃ water soak for 24 hours)
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ISO 62
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%
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Physical property
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Coefficients of linear thermal expansion (23-100℃)
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m/(m·k)
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150×10⁻⁶
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Heat resistance
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Flammability (UL)
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UL94
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HB
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HB
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Heat resistance
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Melting point
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℃
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170
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Heat resistance
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Temperature resistance (continuous)
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℃
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95
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Heat resistance
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Temperature resistance (short time)
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℃
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115
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Insulating property
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Dielectric strength
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ISO 60243
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kv/mm
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＞40
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Insulating property
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Volume resistance
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ISO 60093
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Ω·cm
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≥10¹⁴
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Insulating property
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Surface resistivity
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ISO 60093
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Ω
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≥10¹³
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Insulating property
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Relative permittivity -100HZ/1MHZ
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ISO 60250
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2.3/-
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Chemical property
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Acid resistance
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+
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Chemical property
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Alkali resistance
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+
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Chemical property
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Carbonation resistance
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+
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Chemical property
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Aromatic compounds resistance
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-
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Chemical property
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Ketone resistance
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+
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Other
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Adhesion
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0
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Other
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Friction coefficient
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0.3
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Other
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Food contact
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+
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