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Vyncolit 4523 XB Novolac Phenolic

Category Polymer , Thermoset , Filled/Reinforced Thermoset , Phenolic
Manufacturer Vyncolit N.V., Sumitomo Bakelite
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
Organic and inorganic filled phenolic molding compound with good mechanical and thermal properties. Improved heat resistance compared to organic filled compounds.USES: Fuse holders, brush holders, circuit breakers, automotive ignition and solenoid covers.Information provided by Vyncolit, a Sumitomo Bak Group
Physical Properties Metric English Comments
Bulk Density 0.700 g/cc
0.0253 lb/in³
Powder Density; ISO 60
Density 1.60 g/cc
0.0578 lb/in³
Relative Density; ISO 1183
Linear Mold Shrinkage 0.0090 cm/cm
0.0090 in/in
Injection Molding; ISO 2577
Mechanical Properties Metric English Comments
Tensile Strength at Break 50.0 MPa
7250 psi
ISO 527
Elongation at Break 0.60 %
0.60 %
Tensile; ISO 527
1.5 %
1.5 %
Flexure; ISO 178
Tensile Modulus 10.0 GPa
1450 ksi
ISO 527
Flexural Strength 95.0 MPa
13800 psi
At Rupture; ISO 178
Flexural Modulus 9.50 GPa
1380 ksi
ISO 178
Compressive Strength 200 MPa
29000 psi
ISO 604
Charpy Impact Unnotched 0.700 J/cm²
3.33 ft-lb/in²
ISO 179
Charpy Impact, Notched 0.200 J/cm²
0.952 ft-lb/in²
ISO 179
Thermal Properties Metric English Comments
CTE, linear, Parallel to Flow 50.0 µm/m-°C

@Temperature 20.0 °C
27.8 µin/in-°F

@Temperature 68.0 °F
TMA
CTE, linear, Transverse to Flow 60.0 µm/m-°C

@Temperature 20.0 °C
33.3 µin/in-°F

@Temperature 68.0 °F
TMA
Deflection Temperature at 1.8 MPa (264 psi) 175 °C
347 °F
ISO 75 Af
Flammability, UL94 V-1

@Thickness 1.60 mm
V-1

@Thickness 0.0630 in
V-0

@Thickness 4.00 mm
V-0

@Thickness 0.157 in
Shrinkage 0.35 %
0.35 %
Post Shrinkage; ISO 2577
Electrical Properties Metric English Comments
Volume Resistivity 1.00e+14 ohm-cm
1.00e+14 ohm-cm
DIN 53482
Surface Resistance 1.00e+12 ohm
1.00e+12 ohm
IEC 93
Insulation Resistance 1.00e+10 ohm
1.00e+10 ohm
Dry; IEC 167
1.00e+10 ohm
1.00e+10 ohm
Wet; 24 hours in water; IEC 167
Dielectric Strength 25.0 kV/mm
635 kV/in
IEC 243
Comparative Tracking Index 175 V
175 V
IEC 112
Descriptive Properties Value Comments
Color Black
ISO type PF 2 C3
Main Filler Organic & Inorganic
Molding Method Compression, transfer, injection
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