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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
Download PDF	Vyncolit 4421 XB Novolac Phenolic.pdf
Price	EMAIL US sales@lookpolymers.com

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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