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Vyncolit 4451 XB Novolac Phenolic

Category Polymer , Thermoset , Filled/Reinforced Thermoset , Phenolic , Phenolic, Novolac, Mineral Filled
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 mineral filled phenolic molding compound with excellent mechanical properties (highest notched impact strength).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 0.450 - 0.550 g/cc
0.0163 - 0.0199 lb/in³
Powder Density; ISO 60
Density 1.53 g/cc
0.0553 lb/in³
Relative Density; ISO 1183
Linear Mold Shrinkage 0.0070 - 0.0080 cm/cm
0.0070 - 0.0080 in/in
Injection Molding; ISO 2577
Mechanical Properties Metric English Comments
Tensile Strength at Break 50.0 - 60.0 MPa
7250 - 8700 psi
ISO 527
Elongation at Break 0.75 - 0.85 %
0.75 - 0.85 %
Tensile; ISO 527
1.3 - 1.5 %
1.3 - 1.5 %
Flexure; ISO 178
Tensile Modulus 8.50 - 10.0 GPa
1230 - 1450 ksi
ISO 527
Flexural Strength 120 - 130 MPa
17400 - 18900 psi
At Rupture; ISO 178
Flexural Modulus 7.00 - 9.00 GPa
1020 - 1310 ksi
ISO 178
Compressive Strength 200 - 230 MPa
29000 - 33400 psi
ISO 604
Charpy Impact Unnotched 0.850 - 1.00 J/cm²
4.05 - 4.76 ft-lb/in²
ISO 179
Charpy Impact, Notched 0.350 - 0.450 J/cm²
1.67 - 2.14 ft-lb/in²
ISO 179
Thermal Properties Metric English Comments
CTE, linear, Parallel to Flow 45.0 - 55.0 µm/m-°C

@Temperature 20.0 °C
25.0 - 30.6 µin/in-°F

@Temperature 68.0 °F
TMA
CTE, linear, Transverse to Flow 55.0 - 65.0 µm/m-°C

@Temperature 20.0 °C
30.6 - 36.1 µin/in-°F

@Temperature 68.0 °F
TMA
Deflection Temperature at 1.8 MPa (264 psi) 155 - 175 °C
311 - 347 °F
ISO 75 A
Deflection Temperature at 8.0 MPa 130 - 150 °C
266 - 302 °F
ISO 75 C
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 0.20 - 0.30 %
0.20 - 0.30 %
Post Shrinkage; ISO 2577
Electrical Properties Metric English Comments
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 Mineral & Organic
Molding Method Compression, transfer, injection
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