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	Metric	English	Comments

Bulk Density	0.750 - 0.950 g/cc	0.0271 - 0.0343 lb/in³	Powder Density; ISO 60
Density	1.70 g/cc	0.0614 lb/in³	Relative Density; ISO 1183
Linear Mold Shrinkage	0.0045 - 0.0055 cm/cm	0.0045 - 0.0055 in/in	Injection Molding; ISO 2577

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	30.0 - 50.0 MPa	4350 - 7250 psi	ISO 527
Elongation at Break	0.20 - 0.30 %	0.20 - 0.30 %	Tensile; ISO 527
Tensile Modulus	19.0 - 21.0 GPa	2760 - 3050 ksi	ISO 527
Flexural Strength	70.0 - 90.0 MPa	10200 - 13100 psi	At Rupture; ISO 178
Flexural Modulus	14.0 - 19.0 GPa	2030 - 2760 ksi	ISO 178
Flexural Strain at Break	0.50 - 0.60 %	0.50 - 0.60 %	ISO 178
Compressive Strength	100 - 120 MPa	14500 - 17400 psi	ISO 604
Charpy Impact Unnotched	0.200 - 0.300 J/cm²	0.952 - 1.43 ft-lb/in²	ISO 179
Charpy Impact, Notched	0.100 - 0.200 J/cm²	0.476 - 0.952 ft-lb/in²	ISO 179

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	20.0 - 30.0 µm/m-°C @Temperature 20.0 °C	11.1 - 16.7 µin/in-°F @Temperature 68.0 °F	TMA
CTE, linear, Transverse to Flow	20.0 - 30.0 µm/m-°C @Temperature 20.0 °C	11.1 - 16.7 µin/in-°F @Temperature 68.0 °F	TMA
Deflection Temperature at 1.8 MPa (264 psi)	135 - 150 °C	275 - 302 °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	0.050 - 0.15 %	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 view all the property values for this datasheet as they were originally entered into MatWeb.

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