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Hexion Bakelite™ PF 31 Phenolic Formaldehyde Resin, UL Listed  (discontinued **)

Category Polymer , Thermoset , Filled/Reinforced Thermoset , Phenolic
Manufacturer
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Hexion Bakelite™ PF 31 Phenolic Formaldehyde Resin, UL Listed  (discontinued **).pdf
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Material Notes:
Phenolic molding compound, mainly organically filled, standard molding compound for normal stress, UL listed molding compound 1.5 mm/V-1 (All), 3 mm/V-0 (All), standardized molding compound.Application areas: Moldings of all kinds from screw caps to large casings, electrical installation material, pan handles, operating elements, toaster parts and pistons for braking power energizers, carbon brush holders, lamp housings, decor items, ashtrays.Information provided by Bak AGBak AG became a part of Hexion in 2005.
Physical Properties Metric English Comments
Density 1.42 g/cc
0.0513 lb/in³
ISO 1183
Apparent Bulk Density 0.630 g/cc
0.0228 lb/in³
ISO 60
Linear Mold Shrinkage, Flow 0.0040 cm/cm
0.0040 in/in
Compression molding; ISO 2577
0.0080 cm/cm
0.0080 in/in
Injection molding; ISO 2577
Mechanical Properties Metric English Comments
Ball Indentation Hardness 325 MPa
47100 psi
H 961/30; ISO 2039/P1
Tensile Strength at Break 50.0 MPa
7250 psi
5 mm/min; ISO 527 - 1/2
Tensile Modulus 7.50 GPa
1090 ksi
1 mm/min; ISO 527 - 1/2
Flexural Strength 95.0 MPa
13800 psi
2 mm/min; ISO 178
Flexural Modulus 7.50 GPa
1090 ksi
ISO 178
Compressive Strength 250 MPa
36300 psi
Test specimen flat tested; ISO 604
Charpy Impact Unnotched 0.700 J/cm²

@Temperature 23.0 °C
3.33 ft-lb/in²

@Temperature 73.4 °F
ISO 179-1/2 eU
Charpy Impact, Notched 0.150 J/cm²

@Temperature 23.0 °C
0.714 ft-lb/in²

@Temperature 73.4 °F
ISO 179-1/2 eA
Thermal Properties Metric English Comments
Maximum Service Temperature, Air 140 °C
284 °F
<20000 hours; IEC 60216-P1
180 °C
356 °F
< 50 hours; IEC 60216-P1
Deflection Temperature at 8.0 MPa 125 °C
257 °F
ISO 75-2
UL RTI, Electrical 150 °C

@Thickness 1.50 mm
302 °F

@Thickness 0.0591 in
(ALL)
UL RTI, Mechanical with Impact 150 °C

@Thickness 1.50 mm
302 °F

@Thickness 0.0591 in
(ALL)
UL RTI, Mechanical without Impact 150 °C

@Thickness 1.50 mm
302 °F

@Thickness 0.0591 in
(ALL)
Flammability, UL94 V-1

@Thickness 1.50 mm
V-1

@Thickness 0.0591 in
(ALL)
V-0

@Thickness 3.00 mm
V-0

@Thickness 0.118 in
ALL
Shrinkage 0.400 %

@Temperature 110 °C
0.400 %

@Temperature 230 °F
Compression molding; ISO 2577
0.500 %

@Temperature 110 °C,
Time 605000 sec
0.500 %

@Temperature 230 °F,
Time 168 hour
Injection molding; ISO 2577
Electrical Properties Metric English Comments
Volume Resistivity 1.00e+11 ohm-cm
1.00e+11 ohm-cm
IEC 60093
Surface Resistance 1.00e+10 ohm
1.00e+10 ohm
IEC 60093
Dielectric Constant 10

@Frequency 100 Hz
10

@Frequency 100 Hz
IEC 60250
Dielectric Strength 25.0 kV/mm

@Thickness 1.00 mm
635 kV/in

@Thickness 0.0394 in
IEC 60243-P1
Dissipation Factor 0.31

@Frequency 100 Hz
0.31

@Frequency 100 Hz
IEC 60250
Arc Resistance 60 - 120 sec

@Thickness 3.00 mm
60 - 120 sec

@Thickness 0.118 in
ALL
Comparative Tracking Index 125 V
125 V
Test liquid A; IEC 60112
Hot Wire Ignition, HWI 60 - 120 sec

@Thickness 1.50 mm
60 - 120 sec

@Thickness 0.0591 in
(ALL)
>= 120 sec

@Thickness 3.00 mm
>= 120 sec

@Thickness 0.118 in
ALL
High Amp Arc Ignition, HAI 60 - 120 arcs

@Thickness 1.50 mm
60 - 120 arcs

@Thickness 0.0591 in
(ALL)
Processing Properties Metric English Comments
Feed Temperature 60.0 - 75.0 °C
140 - 167 °F
Injection molding
Nozzle Temperature 80.0 - 100 °C
176 - 212 °F
Injection molding
Melt Temperature 80.0 - 100 °C
176 - 212 °F
Injection molding
Mold Temperature 160 - 190 °C
320 - 374 °F
Injection molding
160 - 190 °C
320 - 374 °F
Compression molding
Injection Pressure >= 15.0 MPa
>= 2180 psi
Compression and injection cavity mold pressure
Back Pressure 0.500 - 2.00 MPa
72.5 - 290 psi
Injection molding
Cure Time 0.167 - 0.333 min
0.00278 - 0.00556 hour
Per 1 mm of wall thickness, injection molding
0.333 - 0.667 min
0.00556 - 0.0111 hour
Per 1 mm of wall thickness, compression molding
Descriptive Properties Value Comments
Chromatic Spectrum Subdued Colors
Creep Rupture Strength Good
Holding Pressure Approximately 40-60% of injection pressure
Media Resistance Good
Moisture Absorption 65 mg
ISO 62, 24 hours at 23°C
Reserves by Peak Temperature High
Thermal Expansion Slight
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