LOCTITE AA 3412

Harmonization Code : 3506.91.90.99 | Prepared glues and other prepared adhesives, not elsewhere specified or included; products suitable for use as glues or adhesives, put up for retail sale as glues or adhesives, not exceeding a net weight of 1 kg ; Adhesives based on polymers of headings 3901 to 3913 or on rubber; Other ; Other

LOCTITE AA 3412

Main features

  • High-Strength Structural Bonding
  • Non-Sag Placement Control
  • Fast Room Temperature Curing

Product Description

LOCTITE® AA 3412™ is a two-component, room-temperature-curing structural acrylic adhesive designed for high-strength bonding of metals, many plastics, composites, ceramics, fiberglass, and other rigid substrates. Its non-sag gel consistency supports vertical application and large-gap filling, while the mixed adhesive develops tough, impact-resistant, peel-resistant bonds with strong resistance to fuels, lubricants, cleaners, heat, humidity, and demanding industrial environments.

Key features

  • High-strength structural bonding: Delivers strong lap-shear, peel, and impact performance across metals, plastics, composites, and ceramics.
  • Non-sag gap filling: High-viscosity gel consistency supports vertical dispensing and bonding where larger gaps must be filled.
  • Fast room-temperature processing: Provides approximately five minutes of working time and fixtures on steel in about 12 to 15 minutes.
Product Family

LOCTITE AA 3412

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TDS, SDS & Technical Documents

Technical Specifications

General Properties
Appearance
Appearance at room temperature.
White creamy soft gel/Amber gel
Mix Ratio
The amount of a constituent divided by the total amount of all other constituents in a mixture
1:1
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.
1.0
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
150,000 - 450,000 mPa.s

Additional Information

Technical properties

As-supplied / before-processing properties

Typical component and mixed-material properties; processing performance depends on accurate proportioning, complete mixing, substrate preparation, application speed, bond geometry, and ambient temperature.

Property Value Unit Method / condition
Technology Acrylic — Structural adhesive technology
Chemical type — resin Methacrylate — Component A / resin
Chemical type — hardener Methacrylate — Component B / hardener
Resin appearance White to off-white creamy soft gel — TDS and Component A SDS
Hardener appearance Amber gel — TDS and Component B SDS
Mixed appearance Pale yellow-green opaque gel — After complete 1:1 mixing
Components Two components — Requires mixing before application
Mix ratio by weight 1:1 Resin:hardener TDS specified ratio
Mix ratio by volume 1:1 Resin:hardener TDS specified ratio
Cure mechanism Room-temperature cure after mixing — Two-component reaction cure
Resin specific gravity 1.00 — At 25°C; TDS
Hardener specific gravity 0.97 — At 25°C; TDS
Mixed specific gravity 0.99 — At 25°C
Resin viscosity 150,000–450,000 mPa·s Brookfield DVE, 25°C, spindle TD, 2.5 rpm, Helipath
Hardener viscosity 150,000–450,000 mPa·s Brookfield DVE, 25°C, spindle TD, 2.5 rpm, Helipath
Working time 5 min Mixed adhesive at 25°C
Fixture time 12–15 min ISO 4587, steel; time to reach 0.1 N/mm² shear strength
Component A flash point 10.6 °C Tagliabue closed cup; SDS
Component B flash point 10.6 °C Tagliabue closed cup; SDS

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