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Vyncolit 4421 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:
Mineral and organic filled phenolic molding compound with good mechanical properties.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 0.650 g/cc
0.0235 lb/in³
Powder Density; ISO 60
Density 1.55 g/cc
0.0560 lb/in³
Relative Density; ISO 1183
Linear Mold Shrinkage 0.0060 cm/cm
0.0060 in/in
Injection Molding; ISO 2577
Mechanical Properties Metric English Comments
Tensile Strength at Break 65.0 MPa
9430 psi
ISO 527
Elongation at Break 0.60 %
0.60 %
Tensile; ISO 527
1.4 %
1.4 %
Flexure; ISO 178
Tensile Modulus 13.0 GPa
1890 ksi
ISO 527
Flexural Strength 130 MPa
18900 psi
At Rupture; ISO 178
Flexural Modulus 10.0 GPa
1450 ksi
ISO 178
Compressive Strength 240 MPa
34800 psi
ISO 604
Charpy Impact Unnotched 0.800 J/cm²
3.81 ft-lb/in²
ISO 179
Charpy Impact, Notched 0.250 J/cm²
1.19 ft-lb/in²
ISO 179
Thermal Properties Metric English Comments
CTE, linear, Parallel to Flow 40.0 µm/m-°C

@Temperature 20.0 °C
22.2 µin/in-°F

@Temperature 68.0 °F
TMA
CTE, linear, Transverse to Flow 50.0 µm/m-°C

@Temperature 20.0 °C
27.8 µin/in-°F

@Temperature 68.0 °F
TMA
Deflection Temperature at 1.8 MPa (264 psi) 160 °C
320 °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 0.15 %
0.15 %
Post Shrinkage; ISO 2577
Electrical Properties Metric English Comments
Insulation Resistance 1.00e+9 - 1.00e+10 ohm
1.00e+9 - 1.00e+10 ohm
Dry; 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 Mineral & Organic
Molding Method Compression, transfer, injection
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