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Chemically Resistant adhesives

Arlon Electronic Materials 91ML Low-Cost Halogen-Free Thermally Conductive Epoxy
Categories: Polymer; Thermoset; Epoxy; Epoxy, Thermally Conductive
Material Notes: Thermally conductive, multilayerable laminate and prepreg circuit board material. Available in various resin content percentages.

Arlon 91ML ceramic filled thermally conductive multifunctional epoxy laminate and prepreg products provide a low-cost, lead-free solder compatible system with enhanced heat transfer characteristics for multilayer PWBs for applications requiring thermal management throughout the entire board volume.

  • Engineered for use with metal backing for producing Metal-Clad PCBs
  • RoHS/WEEE compliant

Typical Applications:

  • High brightness LEDs
  • DC-DC power converters
  • Automotive electronics
  • Electronic designs with limited thermal management alternatives

Information provided by ARLON Electronic Materials.
Vendors: Arlon Materials for Electronics (MED) is a major manufacturer of specialty high performance laminate and prepreg materials for use in a wide variety of printed circuit board (PCB) applications and in several distinctive markets.

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Physical PropertiesMetricEnglishComments
Density 2.05 g/cc0.0741 lb/in³ASTM D792 Method A
Water Absorption 0.13 %0.13 %IPC TM-650 2.6.2.1
 
Mechanical PropertiesMetricEnglishComments
Flexural Strength 214 - 338 MPa31000 - 49000 psiIPC TM-650 2.4.4
Peel Strength 0.789 kN/m4.50 pliTo Copper (1 oz/35 micron); After Process Solutions; IPC TM-650 2.4.8
 0.877 kN/m5.00 pliTo Copper (1 oz/35 micron); After Thermal Stress; IPC TM-650 2.4.8
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.20e+13 ohm-cm1.20e+13 ohm-cmE24/125; IPC TM-650 2.5.17.1
 2.80e+14 ohm-cm2.80e+14 ohm-cmC96/35/90; IPC TM-650 2.5.17.1
Surface Resistance 1.70e+13 ohm1.70e+13 ohmE24/125; IPC TM-650 2.5.17.1
 4.40e+13 ohm4.40e+13 ohmC96/35/90; IPC TM-650 2.5.17.1
Dielectric Constant 5.5
@Frequency 1e+6 Hz		5.5
@Frequency 1e+6 Hz		IPC TM-650 2.5.5.3
Dielectric Strength >= 39.4 kV/mm>= 1000 kV/inIPC TM-650 2.5.6.2
Dielectric Breakdown 43000 V43000 VIPC TM-650 2.5.6
Dissipation Factor 0.017
@Frequency 1e+6 Hz		0.017
@Frequency 1e+6 Hz		IPC TM-650 2.5.5.3
Arc Resistance 193 sec193 secIPC TM-650 2.5.1
 
Thermal PropertiesMetricEnglishComments
CTE, linear 23.0 µm/m-°C12.8 µin/in-°Fx,y direction; IPC TM-650 2.4.41
CTE, linear, Transverse to Flow  36.0 µm/m-°C
@Temperature <=160 °C		20.0 µin/in-°F
@Temperature <=320 °F		z (< Tg); IPC TM-650 2.4.24
 192 µm/m-°C
@Temperature >=160 °C		107 µin/in-°F
@Temperature >=320 °F		z (> Tg); IPC TM-650 2.4.24
Thermal Conductivity 1.00 W/m-K6.94 BTU-in/hr-ft²-°FZ-axis; ASTM E1461
 1.90 W/m-K13.2 BTU-in/hr-ft²-°FX/Y-axis; ASTM E1461
Glass Transition Temp, Tg 160 °C320 °FTMA; IPC TM-650 2.4.24
 170 °C338 °FDSC; IPC TM-650 2.4.25
Decomposition Temperature 354 °C669 °FOnset; IPC TM-650 2.3.41
 368 °C694 °F5 percent; IPC TM-650 2.3.41
Flammability, UL94 V-0V-0
 
Descriptive Properties
Dielectric Withstand Voltage (VDC)> 5000HiPot; IPC TM-650 2.5.7.2
IPC Delamination - T260 (minutes)> 60IPC TM-650 2.4.24.1
IPC Delamination - T288 (minutes)> 30IPC TM-650 2.4.24.1
IPC Delamination - T300 (minutes)> 10IPC TM-650 2.4.24.1
Z-Axis Expansion (%)2.6IPC TM-650 2.4.24 (50-260°C)

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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PARLM9859 / 149012

Chemically Resistant adhesives




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