LOCTITE 392

Harmonization Code : 3919.10.80 | Other self-adhesive plastic rolls not exceeding 20 cm wide.

LOCTITE 392

Main features

  • Rapid Activator-Cure Assembly
  • Tough Impact and Peel Resistance
  • DC Motor Magnet Bonding

Product Description

LOCTITE AA 392 is a one-part modified acrylic structural adhesive used with separately applied LOCTITE Activator 7380 or 7387. The medium-viscosity material is suited to fast assembly, including DC motor magnet bonding and pre-coated sheet-metal joining. On steel with Activator 7380, fixture time is <=25 seconds at a 0.05 mm gap; the recommended bondline gap is 0.1 mm. The cured adhesive has Shore D 65 hardness, 130% elongation, and strong impact and peel performance for assembly lines with short cycle times. The activator is applied separately and is not included with the adhesive.

Key features

  • Rapid Activator Cure: Fixture time is <=25 seconds on steel at a 0.05 mm gap.
  • Tough Impact and Peel Performance: The cured adhesive combines impact resistance with peel resistance.
  • Motor Magnet Assembly Fit: The product is used for DC motor and magnet bonding.

Applications

Applications include DC motor magnet bonding and pre-coated sheet-metal assembly.

Product Family

LOCTITE 392

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TDS, SDS & Technical Documents

Technical Specifications

General Properties
Appearance
Appearance at room temperature.
Translucent beige to dark amber
Chemistry Type
Modified acrylic
Specific Gravity
Specific gravity (SG) is the ratio of the density of a substance to the density of a reference substance; equivalently, it is the ratio of the mass of a substance to the mass of a reference substance for the same given volume. For liquids, the reference substance is almost always water (1), while for gases, it is air (1.18) at room temperature. Specific gravity is unitless.
1.16
Other Properties
Storage Temperature
8 °C to 21 °C
Electrical Properties
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.
1.8×10¹⁵ Ohms⋅cm
Physical Properties
Viscosity
Viscosity is a measurement of a fluid’s resistance to flow. Viscosity is commonly measured in centiPoise (cP). One cP is defined as the viscosity of water and all other viscosities are derived from this base. MPa is another common unit with a 1:1 conversion to cP. A product like honey would have a much higher viscosity -around 10,000 cPs- compared to water. As a result, honey would flow much slower out of a tipped glass than water would. The viscosity of a material can be decreased with an increase in temperature in order to better suit an application
6,500 to 17,500 mPa.s
Mechanical Properties
Elongation
Elongation is the process of lengthening something. It is a percentage that measures the initial, unstressed, length compared to the length of the material right before it breaks. It is commonly referred to as Ultimate Elongation or Tensile Elongation at break.
130 %

Additional Information

Technical properties

As-Supplied Properties

PropertyValueUnitMethod / condition
AppearanceTranslucent beige to dark amber-Uncured
Specific gravity1.16-25 deg C
Viscosity20,000 to 80,000mPa sBrookfield HBT, spindle TA, 2.5 rpm, helipath, 25 deg C
Viscosity6,500 to 17,500mPa sBrookfield HBT, spindle TA, 20 rpm, helipath, 25 deg C
Technical properties

Final-State Properties

PropertyValueUnitMethod / condition
Hardness65Shore DISO 868
Elongation130%ISO 527-3
Tensile strength18.6N/mm^2ISO 527-3
Tensile modulus144.8N/mm^2ISO 527-3
Lap shear strength>=11.7N/mm^2Steel; 24 h at 22 deg C; Activator 7380 on one side
Lap shear strength11N/mm^2Aluminum; 48 h at 22 deg C; Activator 7380 on one side

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