LOCTITE ABLESTIK 570K

Harmonization Code : 3920.99.28.90 |   Other plates, sheets, film, foil and strip, of plastics, non-cellular and not reinforced, laminated, supported or similarly combined with other materials ; Of other plastics ; Other; Other
Main features
  • Low outgassing
  • High purity
  • Hybrid substrate attach

Product Description

LOCTITE ABLESTIK 570K adhesive film is a high purity epoxy designed for hybrid substrate attach. This adhesive exhibits significantly better adhesion to gold surfaces, resulting in improved performance during constant acceleration testing compared with similar high purity materials.

LOCTITE ABLESTIK 570K is a low outgassing, brown epoxy assembly film that meets the requirements of MIL-STD-883C, Method 5011.

Cure Schedule

  • 3 hours @ 150°C
  • 1.5 hours @ 170°C
Product Family
570K  
12 x 8 inch sheet
0.0125

Catalog Product

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Packaging
TDS, SDS & Technical documents

Technical Specifications

General Properties
Work life @25°C
Work life @25°C
Work life is the amount of time we have to work with a material until it is no longer able to be easily worked and applied on a substrate.

It is based on the change in viscosity and it can rely on the application requirements.
 336 hours
Shelf Life
Shelf Life @ -40°C 365 days
Thermal Properties
Glass Transition Temperature (Tg)
Glass Transition Temperature (Tg)
The glass transition temperature for organic adhesives is a temperature region where the polymers change from glassy and brittle to soft and rubbery. Increasing the temperature further continues the softening process as the viscosity drops too. Temperatures between the glass transition temperature and below the decomposition point of the adhesive are the best region for bonding.

The glass-transition temperature Tg of a material characterizes the range of temperatures over which this glass transition occurs.
 135 °C
Thermal Conductivity
Thermal Conductivity
Thermal conductivity describes the ability of a material to conduct heat. It is required by power packages in order to dissipate heat and maintain stable electrical performance.

Thermal conductivity units are [W/(m K)] in the SI system and [Btu/(hr ft °F)] in the Imperial system.
 0.7 W/m.K
Weight Loss @ 300°C 0.3 %
Coefficient of Thermal Expansion (CTE)
Coefficient of Thermal Expansion (CTE), α1
Coefficient of Thermal Expansion (CTE), α1
CTE α1 (alpha 1) is the slope of the Coefficient of thermal expansion in a temperature range below the Glass transition temperature (Tg).

It explains how much a material will expand until it reaches Tg.
 50 ppm/°C
Coefficient of Thermal Expansion (CTE), α2
Coefficient of Thermal Expansion (CTE), α2
CTE α2 (alpha 2) is the slope of the Coefficient of thermal expansion in a temperature range above the Glass transition temperature (Tg).

It explains the extent to which a material will expand after it passes Tg.
 35 ppm/°C
Electrical Properties
Volume Resistivity
Volume Resistivity
Volume resistivity, also called volume resistance, bulk resistance or bulk resistivity is a thickness dependent measurement of the resistivity of a material perpendicular to the plane of the surface.
 6.0x1014 Ohms⋅cm
Dielectric Constant
Dielectric Constant @ 1000 kHz 3.6
Chemical Properties
Ionic Content
Chloride (Cl-)
Chloride (Cl-)
The amount of Chloride (Cl-) ion extracted from the product in parts per million (ppm)
 15 ppm
Sodium (Na+)
Sodium (Na+)
The amount of Sodium (Na+) ion extracted from the product in parts per million (ppm)
 50 ppm

Additional Information

LOCTITE ABLESTIK 570 will be discontinued in 2025.,  570K is an improved version (higher thermal conductivity and lower CTE) and is the best alternative.