Röchling Lignostone® Transformerwood® LX/2-E3 Laminated densified wood

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Röchling Lignostone® Transformerwood® LX/2-E3 Laminated densified wood
Categories:	Polymer; Thermoset; Wood and Natural Products; Wood
Material Notes:	Lignostone® Transformerwood® is a laminated densified wood according to IEC 61061. It consists of red beech veneers, which are joined together with thermosetting synthetic resins under high pressure and heat. Lignostone® Transformerwood® has the following properties: Good electrical insulation properties High mechanical strength at low specific density Easy and fast to dry Very good oil absorption Information provided by Röchling.
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Physical Properties	Original Value	Comments

Density	0.950 g/cc	IEC 61061
Oil Absorption	25 %	IEC 601061
Moisture Absorption	5.00 %	IEC 601061

Mechanical Properties	Original Value	Comments
Modulus of Elasticity	11.0 GPa	Perpendicular, 500x20x20 mm, Support distance: 320 mm; DIN EN ISO 178
Flexural Strength	130 MPa	Perpendicular, 500x20x20 mm, Support distance: 320 mm; DIN EN ISO 178
Compressive Strength	80.0 MPa	Parallel, 10x10x10 mm; DIN EN ISO 604
	120 MPa	Perpendicular, 10x10x10 mm; DIN EN ISO 604

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+12 ohm-cm	IEC 60093
Dielectric Constant	3.7	100x100x10 mm, oil impregnated; IEC 60250
Dielectric Strength	16.7 kV/mm @Thickness 76.2 mm, Temperature 90.0 °C	Perpendicular, HQ; IEC 600243
	18.3 kV/mm @Thickness 76.2 mm, Temperature 90.0 °C	Perpendicular, TQ; IEC 600243
	80.0 kV/in @Thickness 25.0 mm, Temperature 90.0 °C	Perpendicular, HQ; IEC 600243
	90.0 kV/in @Thickness 25.0 mm, Temperature 90.0 °C	Perpendicular, TQ; IEC 600243
Dissipation Factor	0.010 @Frequency 50 Hz	100x100x10 mm, oil impregnated; IEC 60250

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	221 °F	DIN 7707

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PROCH9116 / 232819

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