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DuPont Performance Polymers Rynite® 940 BK505 Polyethylene Terephthalate (PET)  (Unverified Data**)

Category Polymer , Thermoplastic , Polyester, TP , Polyethylene Terephthalate (PET) , Polyethylene Terephthalate (PET), Glass/Mineral Reinforced
Manufacturer DuPont Performance Polymers
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF DuPont Performance Polymers Rynite® 940 BK505 Polyethylene Terephthalate (PET)  (Unverified Data**).pdf
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Material Notes:
40% Glass/Mineral Reinforced Polyethylene Terephthalate Rynite 940 BK505 is a 40% mica/glass reinforced modified polyethylene terephthalate with greater strength stiffness and low warpage.Information provided by DuPont Performance Polymers
Physical Properties Metric English Comments
Specific Gravity 1.64 g/cc
1.64 g/cc
ASTM D792
Density 1.64 g/cc
0.0592 lb/in³
ISO 1183
Linear Mold Shrinkage, Flow 0.0020 cm/cm
0.0020 in/in
ISO 294-4 2577
Linear Mold Shrinkage, Transverse 0.0070 cm/cm
0.0070 in/in
ISO 294-4 2577
Mechanical Properties Metric English Comments
Hardness, Rockwell M 75
75
ASTM D785
Hardness, Rockwell R 115
115
ASTM D785
Tensile Strength at Break 110 MPa
16000 psi
ISO 527-1/-2
Elongation at Break 1.8 %
1.8 %
ISO 527-1/-2
Tensile Modulus 12.5 GPa
1810 ksi
ISO 527-1/-2
Flexural Modulus 13.0 GPa
1890 ksi
ISO 178
Charpy Impact Unnotched 3.50 J/cm²
16.7 ft-lb/in²
ISO 179/1eU
3.50 J/cm²

@Temperature -40.0 °C
16.7 ft-lb/in²

@Temperature -40.0 °F
ISO 179/1eU
Charpy Impact, Notched 0.700 J/cm²
3.33 ft-lb/in²
ISO 179/1eA
0.600 J/cm²

@Temperature -40.0 °C
2.86 ft-lb/in²

@Temperature -40.0 °F
ISO 179/1eA
Thermal Properties Metric English Comments
CTE, linear, Parallel to Flow 15.0 µm/m-°C
8.33 µin/in-°F
ISO 11359-1/-2
6.00 µm/m-°C

@Temperature 55.0 - 160 °C
3.33 µin/in-°F

@Temperature 131 - 320 °F
ISO 11359-1/-2
22.0 µm/m-°C

@Temperature -40.0 - 23.0 °C
12.2 µin/in-°F

@Temperature -40.0 - 73.4 °F
ISO 11359-1/-2
CTE, linear, Transverse to Flow 60.0 µm/m-°C
33.3 µin/in-°F
ISO 11359-1/-2
54.0 µm/m-°C

@Temperature -40.0 - 23.0 °C
30.0 µin/in-°F

@Temperature -40.0 - 73.4 °F
ISO 11359-1/-2
84.0 µm/m-°C

@Temperature 55.0 - 160 °C
46.7 µin/in-°F

@Temperature 131 - 320 °F
ISO 11359-1/-2
Melting Point 250 °C
482 °F
10°C/min; ISO 11357-1/-3
Deflection Temperature at 0.46 MPa (66 psi) 241 °C
466 °F
ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi) 220 °C
428 °F
ISO 75-1/-2
Flammability, UL94 HB

@Thickness 0.800 mm
HB

@Thickness 0.0315 in
IEC 60695-11-10
Electrical Properties Metric English Comments
Volume Resistivity 1.00e+15 ohm-cm
1.00e+15 ohm-cm
IEC 60093
Surface Resistance 1.00e+14 ohm
1.00e+14 ohm
IEC 60093
Dielectric Constant 3.7

@Frequency 1.00e+6 Hz
3.7

@Frequency 1.00e+6 Hz
IEC 60250
3.8

@Frequency 100 Hz
3.8

@Frequency 100 Hz
IEC 60250
Dissipation Factor 0.0070

@Frequency 100 Hz
0.0070

@Frequency 100 Hz
IEC 60250
0.015

@Frequency 1.00e+6 Hz
0.015

@Frequency 1.00e+6 Hz
IEC 60250
Descriptive Properties Value Comments
Additives Release agent
Delivery Form Pellets
Part Marking Code >PET-(GF+MD)40<
ISO 11469
Processing Injection Moulding
Regional Availability Asia Pacific
Europe
Global
Near East/Africa
North America
South and Central America
Resin Identification PET-(GF+MD)40
UL recognition UL
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