Vyncolit Neopreg Kinel® SK80 L8G Glass Fiber Reinforced Molding Compound

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Vyncolit Neopreg Kinel® SK80 L8G Glass Fiber Reinforced Molding Compound
Categories:	Polymer; Thermoset; Epoxy; Epoxy Molding Compound; Filled/Reinforced Thermoset
Material Notes:	Epoxy based molding compound long glass fiber reinforced with excellent long term property retention over a wide temperature range and climate conditions. It is particularly suited for over molding and manufacturing of large commutators. Information provided by Sumitomo Bakelite North America, Inc.
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Physical Properties	Metric	English	Comments

Bulk Density	0.590 g/cc	0.0213 lb/in³	ISO 60
Density	1.79 g/cc	0.0647 lb/in³	ISO 1183
Water Absorption	0.050 %	0.050 %	ISO 62
Linear Mold Shrinkage	0.0011 cm/cm	0.0011 in/in	ISO 2577

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	119 MPa	17300 psi	ISO 527-1
Elongation at Break	0.70 %	0.70 %	ISO 527-1
Tensile Modulus	19.0 GPa	2760 ksi	ISO 527-1
Flexural Strength	255 MPa	37000 psi	ISO 178
Flexural Modulus	17.0 GPa	2470 ksi	ISO 178
Compressive Strength	265 MPa	38400 psi	ISO 604
Charpy Impact, Notched	5.40 J/cm²	25.7 ft-lb/in²	ISO 179-1

Electrical Properties	Metric	English	Comments
Dielectric Strength	29.0 kV/mm	737 kV/in	IEC 60243-1
Dissipation Factor	0.019	0.019	IEC 60250
Comparative Tracking Index	225 V	225 V	IEC 60250

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	9.60 µm/m-°C	5.33 µin/in-°F	TMA
CTE, linear, Transverse to Flow	57.0 µm/m-°C	31.7 µin/in-°F	TMA
Thermal Conductivity	0.490 W/m-K	3.40 BTU-in/hr-ft²-°F	ASTM E1461
Glass Transition Temp, Tg	195 °C	383 °F
Shrinkage	-0.0200 %	-0.0200 %	Post Shrinkage; ISO 2577

Descriptive Properties
Color	Dark Grey
Molding Method	Compression
	Injection
	Transfer

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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PVYNCN942 / 142717

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