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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
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 1.35 g/cc
@Temperature 23.0 °C		0.0488 lb/in³
@Temperature 73.4 °F		24h/23°C/50% RH; ISO 1183-A
Water Absorption 0.80 %0.80 %ISO 62-1
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength 110 MPa
@Thickness >=1.50 mm		16000 psi
@Thickness >=0.0591 in		24h/23°C/50% RH; ISO 527
Flexural Strength 150 MPa
@Thickness >=1.50 mm		21800 psi
@Thickness >=0.0591 in		24h/23°C/50% RH, Normal to laminate plane; ISO 178
Flexural Modulus 8.00 GPa
@Thickness >=1.50 mm		1160 ksi
@Thickness >=0.0591 in		24h/23°C/50% RH, Normal to laminate plane; ISO 178
Compressive Strength 300 MPa
@Thickness >=5.00 mm		43500 psi
@Thickness >=0.197 in		24h/23°C/50% RH, , Normal to laminate plane; ISO 604
Shear Strength 35.0 MPa
@Thickness >=5.00 mm		5080 psi
@Thickness >=0.197 in		Parallel, 24h/23°C/50% RH; IEC 60893-2
Izod Impact, Notched (ISO) 3.50 kJ/m²
@Thickness >=5.00 mm		1.67 ft-lb/in²
@Thickness >=0.197 in		Parallel, 24h/23°C/50% RH; ISO 180/2A
 
Electrical PropertiesMetricEnglishComments
Insulation Resistance 1.00e+8 ohm1.00e+8 ohmafter immersion in water for 24 hr at 23°C; IEC 60167
Dielectric Constant 5.0
@Thickness <=3.00 mm,
Frequency 50 Hz		5.0
@Thickness <=0.118 in,
Frequency 50 Hz		96h/105°C + 1h/23°C/20%RH; IEC 60250
Dielectric Strength  1.38 kV/mm
@Thickness >=3.00 mm,
Temperature 90.0 °C		35.0 kV/in
@Thickness >=0.118 in,
Temperature 194 °F		after 1 hour in oil, Parallel to laminate plane; IEC 60243-1
 9.00 kV/mm
@Thickness 3.00 mm,
Temperature 90.0 °C		229 kV/in
@Thickness 0.118 in,
Temperature 194 °F		after 1 hour in oil, Normal to laminate plane; IEC 60243-1
Dissipation Factor 0.030
@Thickness <=3.00 mm,
Frequency 50 Hz		0.030
@Thickness <=0.118 in,
Frequency 50 Hz		96h/105°C + 1h/23°C/20%RH; IEC 60250
Comparative Tracking Index 100 V
@Thickness >=3.00 mm		100 V
@Thickness >=0.118 in		24h/23°C/50% RH; IEC 60112
 
Thermal PropertiesMetricEnglishComments
Maximum Service Temperature, Air 120 °C
@Thickness >=3.00 mm,
Time 7.20e+7 sec		248 °F
@Thickness >=0.118 in,
Time 20000 hour		IEC 60216
 
Descriptive Properties
ColorDark brown

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PELEKT021 / 126897

Specialty Compounds RTP Company




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