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40% Glass Fiber (40 GF) PPS

40 GF PPS is a grade of PPS. The graph bars on the material properties cards below compare 40 GF PPS to: polyphenylene plastics (top), all thermoplastics (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.

Mechanical Properties

Compressive (Crushing) Strength

160 MPa 23 x 103 psi

Elongation at Break

2.5 %

Flexural Modulus

13 GPa 1.8 x 106 psi

Flexural Strength

190 MPa 27 x 103 psi

Impact Strength: Notched Izod

80 J/m 1.5 ft-lb/in

Rockwell R Hardness

120

Tensile Strength: Ultimate (UTS)

150 MPa 21 x 103 psi

Thermal Properties

Glass Transition Temperature

290 °C 550 °F

Heat Deflection Temperature At 1.82 MPa (264 psi)

260 °C 500 °F

Specific Heat Capacity

910 J/kg-K 0.22 BTU/lb-°F

Thermal Expansion

20 µm/m-K

Otherwise Unclassified Properties

Density

1.7 g/cm3 100 lb/ft3

Water Absorption At Saturation

0.060 %

Common Calculations

Strength to Weight: Axial

25 points

Strength to Weight: Bending

38 points

Followup Questions

Further Reading

Reinforced Plastics Durability, Geoffrey Pritchard (editor), 1999

SPI Plastics Engineering Handbook of the Society of the Plastics Industry, Inc., 5th ed., Michael L. Berins (editor), 2000

Modern Plastics Handbook, Charles A. Harper (editor), 1999

Plastics Materials, 7th ed., J. A. Brydson, 1999