Polypropylene Reinforced with 20% Mineral (PP+M20)

Alternative and trade names
Polyfort™, Hostacom®, Daplen™, TECACOMP®, ALFAFIL®
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It is a medium melt flow, 20 % mineral filled polypropylene. It combines excellent stiffness / impact balance, good scratch resistance and high UV stability with good flowability and high dimensional stability.

This material data has been provided by M-Base.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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1.04 - 1.06 g/cm³

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Elastic modulus

1.5 - 3.0 GPa

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10.0 - 50.0 %

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Impact strength, Charpy notched

2.0 - 6.0 kJ/m²

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Impact strength, Charpy unnotched

25 kJ/m²

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65 kJ/m²

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Tensile strength

25.0 - 36.0 MPa

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at 4-8% strain



Coefficient of thermal expansion

6e-05 - 0.0001 1/K

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Melting point

160.0 - 168.0 °C

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Specific heat capacity

1520 J/(kg·K)

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Thermal conductivity

0.41 W/(m·K)

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UL 94 HB



Dielectric constant

2.8 [-]

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Electrical resistivity

10000000000000.0 - 100000000000000.0 Ω·m

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Technological properties

Application areas

Air ducts, air filters, air conditioning parts, heater housings, trunk claddings


20% Mineral Powder


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Processing methods

Injection molding, extrusion