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Polyimide (PI) Typical Properties
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Properties
API
PAI
PI, TP
Density (g/cm³)1.04 to 1.171.41 to 1.461.31 to 1.37
Melt Mass Flow Rate (g/10 min)----4.0 to 12
Flexural Modulus (psi)181000 to 566000520000 to 757000400000 to 1.31E+6
Tensile Strength (psi)3920 to 2280015800 to 2780013400 to 22700
Tensile Elongation (%)2.5 to 750.80 to 151.5 to 21
Rockwell Hardness36 to 5769 to 12095 to 125
Notched Izod Impact (ft·lb/in)0.47 to 1.70.79 to 2.80.56 to 1.6
DTUL @ 66 psi (0.45 MPa) (°F)----482 to 506
DTUL @ 264 psi (1.8 MPa) (°F)716532 to 534430 to 470
CLTE, Flow (in/in/°F)0.000016 to 0.0000310.000014 to 0.0000207.0E-6 to 0.000028

SI
Properties
API
PAI
PI, TP
Density (g/cm³)1.04 to 1.171.41 to 1.461.31 to 1.37
Melt Mass Flow Rate (g/10 min)----4.0 to 12
Flexural Modulus (MPa)1250 to 39003590 to 52202760 to 9000
Tensile Strength (MPa)27.0 to 157109 to 19292.6 to 157
Tensile Elongation (%)2.5 to 750.80 to 151.5 to 21
Rockwell Hardness36 to 5769 to 12095 to 125
Notched Izod Impact (J/m)25 to 9342 to 15030 to 87
DTUL @ 66 psi (0.45 MPa) (°C)----250 to 264
DTUL @ 264 psi (1.8 MPa) (°C)380278 to 279221 to 243
CLTE, Flow (cm/cm/°C)0.000029 to 0.0000560.000025 to 0.0000360.000013 to 0.000050
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