Part no. (SKU/IDH):
135402
IDH Name:
LOCTITE® AA 326, 50 ml Bottle
Legacy IDH:
32629
Structural adhesives
General-purpose, high shear strength, metal-to-metal bonder
This 2-step, no mix, high-viscosity acrylic adhesive has a fast cure and high shear strength. It is thixotropic for ease of handling, and ideal for magnet bonding.
Marketing materials
Part no. (SKU/IDH):
135402
IDH Name:
LOCTITE® AA 326, 50 ml Bottle
Legacy IDH:
32629
Size Please make your selection 50 ml
All marks used are trademarks and/or registered trademarks of Henkel and its affiliates in the US, Germany, and elsewhere.
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- Description
- Technical specification
- Question & answer
LOCTITE® AA 326 is a general-purpose, 2-step, high-viscosity acrylic adhesive for fast cure and high shear strength. It has good adhesion to different types of ferrites, a fixture time of less than 3 minutes, a high shear strength of 15 N/mm², and can be used in temperatures up to 120°C (248°F). It requires LOCTITE® SF 7649 to activate and, among other applications, is perfect for magnet bonding electric motors used in elevator production.
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General-purpose structural bonder
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Bonds metal to metal
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Fixture time of <3 minutes
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Thixotropic for ease of application
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Temperature resistance up to 120°C (248°F)
- Product category:
- Structural adhesives
Technologies:
-
Non-methyl methacrylate (MMA) structural adhesives
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Water-miscibles
- Applications:
- Structural bonding
- Chemical basis / base:
- Methacrylate
- Color:
- Amber; Yellow
- Cure type:
- Activator cure; Anaerobic cure
- FEA (finite element analysis):
- Finite strain; Viscoelastic
- Fixture time:
- 3.0 min
- Key characteristics:
- Mix: no mix required
- Shear strength:
- 15.0 N/mm²
- Viscosity, Brookfield - RVT, @ 25.0 °C:
- 14000.0 mPa·s (cP) - 22000.0 mPa·s (cP)
- Viscosity, EN 12092 - MV, @ 25.0 °C:
- 10000.0 mPa·s (cP) - 20000.0 mPa·s (cP)
How to use
For best performance, bond surfaces should be clean and free from contaminants, including grease.
To ensure a fast and reliable cure, apply Activator 7649TM to one of the bond surfaces and the adhesive to the other surface. Assemble parts within 15 minutes. The recommended bondline gap is 0.1 mm. For larger bond gaps (up to a maximum of 0.5 mm) or faster cure speed, apply Activator 7649TM to both surfaces and assemble parts immediately (within 1 minute). Excess adhesive can be wiped away with an organic solvent. The bond should be held clamped until the adhesive has fixtured. Allow the product to develop full strength before subjecting it to any service loads, typically 24 to 72 hours after assembly, depending on bond gap, materials, and ambient conditions.
FAQ
Yes, For best performance, bond surfaces should be clean and free from contaminants. Cleaning parts prior to bonding should involve residue-free cleaners.
LOCTITE® AA 326 should be stored in its unopened container in a dry location. Storage information may be indicated on the product container labeling. For optimal storage, maintain a temperature between 8°C and 21°C. Storing below 8°C or above 28°C can adversely affect the product properties. Material removed from containers may be contaminated during use; do not return product to the original container.
defined as the time required for the adhesive/activator combination to develop sufficient
strength in a 0.5" by 1.0" (13 mm by 25 mm) bond between two steel lap shears to support a 6.6 lb. (3 kg) weight (13.2 psi) for 10 seconds, is 2 minutes.
The tensile strength of this product is 24 N/mm² on grit-blasted steel after curing for 7 days at 23°C and testing after 24 hours using the ISO 6922 test method, and 34 N/mm² after curing for 7 days at 23°C using the ISO 527-2 test method.
LOCTITE® AA 326is recommended for aluminum substrate, anaerobic cure, electric motors, ferrite substrate, jewelry, loud speaker, metal substrate, and steel substrate.
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Large volume or special order?
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