Which materials is Loctite AA 366 suitable for?

This 1-part acrylic adhesive is designed for bonding, sealing, and coating metal and glass components.

How does this structural adhesive cure?

It cures rapidly when exposed to UV light (365 nm) and can also cure using a compatible activator.

Does this adhesive require mixing before application?

No, it is a 1-component formulation ready for direct use from the 250 ml bottle without mixing.

How does the cured bond perform against vibration and shock?

Once fully cured, the adhesive provides high resistance to vibration, impacts, and mechanical forces.

What is the appearance and viscosity of the adhesive?

The liquid has a yellow to amber color with a medium viscosity for controlled application.

LOCTITE 346 1K acrylic structural adhesive yellow/amber (250 ml bottle) - 149295

Name: LOCTITE 346 1K acrylic structural adhesive yellow/amber (250 ml bottle) - 149295
Brand: LOCTITE
SKU: 02621589
Price: 384.4 EUR
Availability: PreOrder

Supplier number: LOCTITE 149295 | EAN 4100630366609

Recommended Retail Price €485.75

384.40 tax incl.

€317.69 excl. VAT (incl. all environmental contributions)

On order: delivered from 28/10/2026

Delivery by DHL

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How does it work?

For a purchase value of €99 to €125 excl. VAT, receive FREE LOCTITE 55 thread sealing cord 50 m (IDH 528244) worth €9.99.
For a purchase value of more than €125 excl. VAT, receive FREE LOCTITE SF 7850 hand cleaner 400 ml (IDH 2098250) worth €13.21.
The free item is automatically added to your order. No registration is required.
The promotion is valid from 01.10.2026 to 31.10.2026.
Loctite Buy & Get deals are recognisable by the promotion label on the product page. Click the label to view all available deals.

High-strength structural bonding with Loctite AA 366

Practical benefits

Rapid curing under UV light: You achieve fast fixture times when exposed to UV light, allowing you to streamline assembly processes and maximize your overall production efficiency.
High impact and vibration resistance: The toughened acrylic formulation absorbs mechanical shocks and heavy vibrations to ensure your assemblies stay firmly bonded over time.
Reliable glass and metal bonding: You create dependable structural joints on metal and glass components with high resistance to environmental factors and elevated temperatures.

In a nutshell

The right choise for

With Loctite aa 366 structural adhesive, you achieve strong and reliable bonds across metal, glass, and ferrite substrates. This liquid 1-part acrylic adhesive in a 250 ml bottle is ready to use straight away with no mixing required. Thanks to rapid curing under uv light (365 nm) or with an activator, you fixture components in seconds to keep your assembly processes running efficiently. The toughened bond easily withstands continuous vibration, mechanical shock, moisture, and temperatures up to 120 °C. It is the ideal choice for assembling electric motors, acoustic equipment, and demanding industrial assemblies.

Product information FAQ

€384.40

tax incl.

Key features according to our expert

Net volume: 250 ml
ADR packing group: Not applicable
ADR class: Not applicable
Principal hazard property: GHS07 Harmful or irritant
UN number: Not applicable
P-statements: P101; P102; P261; P273; P280; P302 + P352; P333 + P313; P337 + P313; P501
H-statements: H315; H317; H319; H335; H412
Hazard class: GHS07 Harmful or irritant
Physical state: Liquid
Flash point: > 93 °C

Product description:

LOCTITE AA 366 is a yellow to amber-coloured structural bonder.
Typical applications include bonding ferrites to plated materials in electric motors, loudspeaker hardware and jewellery where fast fixturing is required and where product outside the bondline must be completely cured.
It has a service temp.
range up to +120°C, shear strength of 13.5 N/mm² and requires an activator, Loctite SF 7649.

Precautionary statements

P101: If medical advice is needed, have product container or label at hand.
P102: Keep out of reach of children.
P261: Avoid breathing dust/fume/gas/mist/vapours/spray.
P273: Avoid release to the environment.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P302 + P352: IF ON SKIN: Wash with plenty of water/…
P333 + P313: If skin irritation or rash occurs: Get medical advice/attention.
P337 + P313: If eye irritation persists: Get medical advice/attention.
P501: Dispose of contents/container to ... (see safety data sheet).

Hazard statements

H315: Causes skin irritation.
H317: May cause an allergic skin reaction.
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.
H412: Harmful to aquatic life with long lasting effects.

All Features

Net volume: 250 ml
Adr packing group: Not applicable
Adr class: Not applicable
Principal hazard property: GHS07 Harmful or irritant
Un number: Not applicable
P-statements: P101; P102; P261; P273; P280; P302 + P352; P333 + P313; P337 + P313; P501
H-statements: H315; H317; H319; H335; H412
Hazard class: GHS07 Harmful or irritant
Physical state: Liquid
Flash point: > 93 °C

Brand LOCTITE
02621589
EAN 4100630366609
Supplier number LOCTITE 149295

Frequently asked questions about this product

Answered by specialists

Which materials is Loctite AA 366 suitable for?: This 1-part acrylic adhesive is designed for bonding, sealing, and coating metal and glass components.
How does this structural adhesive cure?: It cures rapidly when exposed to UV light (365 nm) and can also cure using a compatible activator.
Does this adhesive require mixing before application?: No, it is a 1-component formulation ready for direct use from the 250 ml bottle without mixing.
How does the cured bond perform against vibration and shock?: Once fully cured, the adhesive provides high resistance to vibration, impacts, and mechanical forces.
What is the appearance and viscosity of the adhesive?: The liquid has a yellow to amber color with a medium viscosity for controlled application.