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 Plastic Brief

 

Tech Brief  > PI
 
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Polyimide - PI 40% Glass Fibre Reinforced

Advantages
Significantly higher flexural modulus and notched impact strength, improved tensile strength, HDT and mould shrinkage compared with unmodified polyimide.

Disadvantages
Reduced elongation at break, oxygen index and electrical characteristics compared with unmodified polyimide.
Typical Properties
Property Value
Density (g/cm3)
Surface Hardness
Tensile Strength (MPa)
Flexural Modulus (GPa)
Notched Izod (kJ/m)
Linear Expansion (/°C x 10-5)
Elongation at Break (%)
Strain at Yield (%)
Max. Operating Temp. (°C)
Water Absorption (%)
Oxygen Index (%)
Flammability UL94
Volume Resistivity (log ohm.cm)
Dielectric Strength (MV/m)
Dissipation Factor1kHz
Dielectric Constant 1kHz
HDT @ 0.45 MPa (°C)
HDT @ 1.80 MPa (°C)
Material Drying hrs @ °C
Melting Temp. Range (°C)
Mould Shrinkage (%)
Mould Temp. Range (°C)
 1.65
RM108
79
13.2
0.24
2.4
1.2
N/A
260
0.7
45
V0
15
20
0.006
6
260+
380
NA
NA
0.12
NA


 

 

Applications
Synchroniser rings for gearboxes, terminal boards, and electrical collectors, terminal strips.
 
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