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Vyncolit 4221 XB Novolac Phenolic

Category	Polymer , Thermoset , Filled/Reinforced Thermoset , Phenolic , Phenolic, Novolac, Mineral Filled
Manufacturer	Vyncolit N.V., Sumitomo Bakelite
Trade Name
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Vyncolit 4221 XB Novolac Phenolic.pdf
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Material Notes:

Mineral and organic filled phenolic molding compound with good mechanical properties.Information provided by Vyncolit, a Sumitomo Bak Group

Physical Properties	Metric	English	Comments
Bulk Density	0.600 - 0.750 g/cc	0.0217 - 0.0271 lb/in³	Powder Density; ISO 60
Density	1.50 g/cc	0.0542 lb/in³	Relative Density; ISO 1183
Linear Mold Shrinkage	0.0060 - 0.0070 cm/cm	0.0060 - 0.0070 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	0.65 - 0.75 %	0.65 - 0.75 %	Tensile; ISO 527
	1.5 - 1.7 %	1.5 - 1.7 %	Flexure; ISO 178
Tensile Modulus	9.00 - 11.0 GPa	1310 - 1600 ksi	ISO 527
Flexural Strength	110 - 130 MPa	16000 - 18900 psi	At Rupture; ISO 178
Flexural Modulus	8.00 - 10.0 GPa	1160 - 1450 ksi	ISO 178
Compressive Strength	220 - 250 MPa	31900 - 36300 psi	ISO 604
Charpy Impact Unnotched	0.800 - 1.00 J/cm²	3.81 - 4.76 ft-lb/in²	ISO 179
Charpy Impact, Notched	0.200 - 0.300 J/cm²	0.952 - 1.43 ft-lb/in²	ISO 179

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	40.0 - 50.0 µm/m-°C @Temperature 20.0 °C	22.2 - 27.8 µin/in-°F @Temperature 68.0 °F	TMA
CTE, linear, Transverse to Flow	50.0 - 60.0 µm/m-°C @Temperature 20.0 °C	27.8 - 33.3 µin/in-°F @Temperature 68.0 °F	TMA
Deflection Temperature at 1.8 MPa (264 psi)	155 - 175 °C	311 - 347 °F	ISO 75 Af
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	0.15 - 0.25 %	0.15 - 0.25 %	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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