Elektro-Isola Etronit IR Phenolic, Paper Reinforcement, Dark Brown, Sheets

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Elektro-Isola Etronit IR Phenolic, Paper Reinforcement, Dark Brown, Sheets
Categories:	Polymer; Thermoset; Phenolic
Material Notes:	Description: High-voltage insulation material at mains frequency. High breakdown voltage in oil and reasonable breakdown voltage in air at normal air humidity. Very low water absorption. Application: Insulation material in high-voltage transformers and tap changers. Information provided by Elektro-Isola
Key Words:	IEC/EN 60893-3-1 PF CP 203, NF C26 150 PP, BS 2572 P2, NEMA LI 1 XXX
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Physical Properties	Original Value	Comments

Density	1.35 g/cc @Temperature 23.0 °C	24h/23°C/50% RH; ISO 1183-A
Water Absorption	0.80 %	ISO 62-1

Mechanical Properties	Original Value	Comments
Tensile Strength	110 MPa @Thickness >=1.50 mm	24h/23°C/50% RH; ISO 527
Flexural Strength	150 MPa @Thickness >=1.50 mm	24h/23°C/50% RH, Normal to laminate plane; ISO 178
Flexural Modulus	8.00 GPa @Thickness >=1.50 mm	24h/23°C/50% RH, Normal to laminate plane; ISO 178
Compressive Strength	300 MPa @Thickness >=5.00 mm	24h/23°C/50% RH, , Normal to laminate plane; ISO 604
Shear Strength	35.0 MPa @Thickness >=5.00 mm	Parallel, 24h/23°C/50% RH; IEC 60893-2
Izod Impact, Notched (ISO)	3.50 kJ/m² @Thickness >=5.00 mm	Parallel, 24h/23°C/50% RH; ISO 180/2A

Electrical Properties	Original Value	Comments
Insulation Resistance	1.00e+8 ohm	after immersion in water for 24 hr at 23°C; IEC 60167
Dielectric Constant	5.0 @Thickness <=3.00 mm, Frequency 50 Hz	96h/105°C + 1h/23°C/20%RH; IEC 60250
Dielectric Strength	9.00 kV/mm @Thickness 3.00 mm, Temperature 90.0 °C	after 1 hour in oil, Normal to laminate plane; IEC 60243-1
	35.0 kV/in @Thickness >=3.00 mm, Temperature 90.0 °C	after 1 hour in oil, Parallel to laminate plane; IEC 60243-1
Dissipation Factor	0.030 @Thickness <=3.00 mm, Frequency 50 Hz	96h/105°C + 1h/23°C/20%RH; IEC 60250
Comparative Tracking Index	100 V @Thickness >=3.00 mm	24h/23°C/50% RH; IEC 60112

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	120 °C @Thickness >=3.00 mm, Time 7.20e+7 sec	IEC 60216

Descriptive Properties
Color	Dark brown

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