Vyncolit 3640 CG Novolac Phenolic

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Vyncolit 3640 CG Novolac Phenolic
Categories:	Polymer; Thermoset; Filled/Reinforced Thermoset; Phenolic; Phenolic, Novolac, Impact Grade, Filled
Material Notes:	Graphite filled phenolic molding compound with excellent dimensional stability. Self-lubricating and has a low coefficient of friction. Not suitable for electrical applications. USES: Gas meter parts, water pump seals and self-lubricating bearings. Information provided by Vyncolit, a Sumitomo Bakelite Group
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Physical Properties	Original Value	Comments

Bulk Density	0.750 - 0.950 g/cc	Powder Density; ISO 60
Density	1.70 g/cc	Relative Density; ISO 1183
Linear Mold Shrinkage	0.0045 - 0.0055 cm/cm	Injection Molding; ISO 2577

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	30.0 - 50.0 MPa	ISO 527
Elongation at Break	0.20 - 0.30 %	Tensile; ISO 527
Tensile Modulus	19.0 - 21.0 GPa	ISO 527
Flexural Strength	70.0 - 90.0 MPa	At Rupture; ISO 178
Flexural Modulus	14.0 - 19.0 GPa	ISO 178
Flexural Strain at Break	0.50 - 0.60 %	ISO 178
Compressive Strength	100 - 120 MPa	ISO 604
Charpy Impact Unnotched	0.200 - 0.300 J/cm²	ISO 179
Charpy Impact, Notched	0.100 - 0.200 J/cm²	ISO 179

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	20.0 - 30.0 µm/m-°C @Temperature 20.0 °C	TMA
CTE, linear, Transverse to Flow	20.0 - 30.0 µm/m-°C @Temperature 20.0 °C	TMA
Deflection Temperature at 1.8 MPa (264 psi)	135 - 150 °C	ISO 75 Af
Flammability, UL94	V-1 @Thickness 1.60 mm
	V-0 @Thickness 4.00 mm
Shrinkage	0.050 - 0.15 %	Post Shrinkage; ISO 2577

Descriptive Properties
Color	Black
ISO type	PF 2 C4
Main Filler	Graphite
Molding Method	Compression, transfer, injection

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

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PVYNC041 / 72249

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