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Master Bond adhesives

Henkel Loctite® ECCOBOND UF 3812 Epoxy
Categories: Polymer; Thermoset; Epoxy

Material Notes: Appearance: Black liquid

Cure: Heat cure

Product Benefits:

  • Halogen-free
  • High Tg
  • Easy rework
  • One component
  • Room temperature flow capability
  • Excellent thermal cycle performance
  • Compatible with most Pb-free solders
  • Stable electrical performance under thermal/humidity bias
Application: Underfill, Encapsulation

Typical Package Application: CSP, WLCSP and BGA

LOCTITE ECCOBOND UF 3812 reworkable epoxy underfill is designed for CSP, WLCSP and BGA applications. This low viscosity material is formulated to flow at room temperature with no additional preheating required. It cures quickly at moderate temperatures to minimize stress to other components. This material's high glass transition temperature and high fracture toughness enables excellent protection of solder joints during thermal cycling.

Information provided by Loctite®

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
Specific Gravity 1.23 g/cc1.23 g/cc
Viscosity 350 cP350 cPStorage, DMA, 3-point bending
 
Thermal PropertiesMetricEnglishComments
CTE, linear 48.0 µm/m-°C26.7 µin/in-°FCured, Below Tg
 175 µm/m-°C97.2 µin/in-°FCured, Above Tg
Glass Transition Temp, Tg 131 °C268 °FCured, by TMA
 
Processing PropertiesMetricEnglishComments
Cure Time >= 10.0 min
@Temperature 130 °C
>= 0.167 hour
@Temperature 266 °F
Pot Life 4320 min4320 min<50% viscosity increase
Working Life 1440 min1440 min
Shelf Life 6.00 Month
@Temperature -20.0 °C
6.00 Month
@Temperature -4.00 °F

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.

PLOCT5095 / 255306

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