Vyncolit 2950 W Novolac Phenolic

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Vyncolit 2950 W Novolac Phenolic
Categories:	Polymer; Thermoset; Filled/Reinforced Thermoset; Phenolic; Phenolic, Novolac, Mineral/Glass Filled
Material Notes:	Mineral and glass fiber filled phenolic molding compound with a very high strain to failure in flexure. UL listed. USES: Armature insulation. Information provided by Vyncolit, a Sumitomo Bakelite Group
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Physical Properties	Original Value	Comments

Bulk Density	0.600 - 0.750 g/cc	Powder Density; ISO 60
Density	1.70 g/cc	Relative Density; ISO 1183
Linear Mold Shrinkage	0.0015 - 0.0025 cm/cm	Injection Molding; ISO 2577

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	65.0 - 75.0 MPa	ISO 527
Elongation at Break	1.05 - 1.15 %	Tensile; ISO 527
Tensile Modulus	9.50 - 11.5 GPa	ISO 527
Flexural Strength	140 - 160 MPa	At Rupture; ISO 178
Flexural Modulus	7.50 - 9.00 GPa	ISO 178
Flexural Strain at Break	1.6 - 1.8 %	ISO 178
Compressive Strength	190 - 220 MPa	ISO 604
Charpy Impact Unnotched	1.30 - 1.50 J/cm²	ISO 179
Charpy Impact, Notched	0.450 - 0.550 J/cm²	ISO 179

Electrical Properties	Original Value	Comments
Insulation Resistance	1.00e+11 - 1.00e+13 ohm	Dry; IEC 167
Dielectric Strength	35.0 kV/mm	IEC 243
Comparative Tracking Index	175 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	30.0 - 40.0 µm/m-°C @Temperature 20.0 °C	TMA
Deflection Temperature at 1.8 MPa (264 psi)	170 - 190 °C	ISO 75 Af
Deflection Temperature at 8.0 MPa	150 - 170 °C	ISO 75 C
Flammability, UL94	HB @Thickness 1.60 mm
	V-0 @Thickness 4.00 mm
Shrinkage	0.10 - 0.20 %	Post Shrinkage; ISO 2577

Descriptive Properties
Color	Black
ISO type	PF 2 C3
Main Filler	Glass Fiber & Mineral
Molding Method	Compression, transfer, injection

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PVYNC031 / 72239

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