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Low outgassing type AE-780

The inquiry about this product

Features

By utilizing a curing system of perfect-liquid type, these adhesives can cure properly, and they can attach parts together without poor curing due to separation even when they are applied in narrow gaps or in minute amounts.

  • They cure completely when heated at a temperature of 90degC to 120degC for a time period of 30 minutes to 60 minutes
  • They can be used in precision machines such as parts of HDD because the cured matter gives off very little gas.
  • They have superior pot life at room temperature, and so exhibit excellent stability when being dispensed.
  • AE-780 meets Br and Cl requirements for halogen free as defined in IEC 61249-2-21.
    (IEC 61249-2-1 definition:900 ppm maximum chlorine, 900 ppm maximum bromine, 1500 ppm maximum total halogens)
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Uses

  • Assembly of an HDD spindle motor
  • Motor magnet bonding
ITEM AE-780 Conditions
Properties
before curing
Appearance Red
viscous Liquid
Visual observation
Viscosity 9Pa・s E-type viscometer,
25degC 50rpm
Thixotropic index 1.1 E-type viscometer,
25degC, 5rpm/50rpm
Specific gravity 1.2 25degC
Gel time 17sec
at 90degC
Hot plate
Recommended cure schedule 60min
at 90degC
Convection oven
heating
Properties
after curing
Lap shear strength 18N/mm2 JIS K-6850
(steel plate)
T-peel strength 15N/25mm JIS K-6854-3
(steel plate)
Glass transition
temperature
101degC TMA
Coefficient of
Thermal Expansion
α1 83ppm
α2 154ppm
Flexural modulus 3.1GPa DMS,25degC
Water absorption 0.60% 1h boiling
Shore hardness 88 Shore D hardness
tester

Technical data presented in this document are typical experimental values and do not signify any of the products’ specifications. The data may be revised without prior notice.

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The inquiry about this product
The Ajinomoto fine-techno are a company which bears the core of the fine-chemicals enterprise of Ajinomoto groups including insulating material ABF series.
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