Vyncolit X682 Novolac Phenolic

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Vyncolit X682 Novolac Phenolic
Categories:	Polymer; Thermoset; Filled/Reinforced Thermoset; Phenolic; Phenolic, Novolac, Glass Filled
Material Notes:	Glass fiber, glass bead and graphite filled phenolic molding compound with excellent mechanical properties and a low coefficient of friction. USES: 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	0.700 - 0.850 g/cc	Powder Density; ISO 60
Density	1.70 g/cc	Relative Density; ISO 1183
Linear Mold Shrinkage	0.0030 - 0.0060 cm/cm	Injection Molding; ISO 2577

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	60.0 - 85.0 MPa	ISO 527
Elongation at Break	0.60 - 0.70 %	Tensile; ISO 527
Tensile Modulus	12.5 - 14.5 GPa	ISO 527
Flexural Strength	140 - 180 MPa	At Rupture; ISO 178
Flexural Modulus	11.0 - 14.0 GPa	ISO 178
Flexural Strain at Break	1.3 - 1.5 %	ISO 178
Compressive Strength	240 - 280 MPa	ISO 604
Charpy Impact Unnotched	0.800 - 1.10 J/cm²	ISO 179
Charpy Impact, Notched	0.250 - 0.400 J/cm²	ISO 179

Electrical Properties	Original Value	Comments
Insulation Resistance	1.00e+9 - 1.00e+11 ohm	Dry; IEC 167
Dielectric Strength	25.0 kV/mm	IEC 243
Comparative Tracking Index	125 V	IEC 112

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	40.0 - 50.0 µm/m-°C @Temperature 20.0 °C	TMA
Deflection Temperature at 1.8 MPa (264 psi)	170 - 180 °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, Green
ISO type	PF 2 C1
Main Filler	Glass Fiber, Glass Bead, Graphite
Molding Method	Compression, transfer, injection

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PVYNC005 / 72213

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