Cure wavelength, dose, and matched UV spot system for Loctite AA 349.

Loctite AA 349's datasheet gives 365 nm, at 100 mW/cm² at 365 nm for 20-30 s. Confirm against the manufacturer's current datasheet and validate on your parts. It is covered by SunSpot 2, SkyBeam, SkyWand. Spec match, not a cure guarantee.

What wavelength cures Loctite AA 349?

Loctite AA 349's datasheet gives 365 nm, at 100 mW/cm² at 365 nm for 20-30 s. Confirm against the manufacturer's current datasheet and validate on your parts.

What UV dose cures Loctite AA 349?

Loctite AA 349's manufacturer datasheet (Henkel LOCTITE AA 349 Technical Data Sheet, September 2014) publishes 100 mW/cm² at 365 nm for 20-30 s. UV dose = intensity × time, so at a measured intensity you solve exposure time from the target dose. Verify with a radiometer at your working distance and validate on your parts.

Which UV spot system cures Loctite AA 349?

All three systems we carry output the 365 nm Loctite AA 349 needs, so the choice is about your process, not wavelength: the SunSpot 2 for bench and high-dose work, the SkyBeam for an automated line, and the SkyWand for field and rework. This is a spec match, not a cure guarantee, validate on your own parts.

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UV Cure Compatibility

Curing Loctite AA 349 With a UV Spot System

Loctite AA 349 is a light-cure acrylic. Its manufacturer's datasheet cures it at 365 nm, 100 mW/cm² at 365 nm for 20-30 s. Here is which Uvitron UV spot systems cover that wavelength, how to choose between them, and what to confirm before you run production.

Chemistry

a light-cure acrylic

Cure wavelength

365 nm

Published dose

100 mW/cm² at 365 nm for 20-30 s

Atmosphere

Cures in air

Specifications from Henkel LOCTITE AA 349 Technical Data Sheet (read Jul 2026, datasheet rev September 2014). View the Manufacturer Datasheet ↗

Which Systems Cover It

Wavelength Match

This adhesive cures at 365 nm. The dots are our LED wavelengths, the green ones land inside its band.

300350400450500

Our LED wavelengths

365 nm ✓385 nm −395 nm −405 nm −

1 of our LED wavelength land inside this band, so an LED system reaches it. The SunSpot 2 arc covers the whole range as well.

SunSpot 2 COVERS

Broadband Arc

Broadband 275–650 nm output spans this adhesive's 365 nm absorption at >18 W/cm² UVA, with the intensity headroom to reach a 100 mW/cm² at 365 nm for 20-30 s dose quickly.

SkyBeam COVERS

4-Channel LED

Its 365 nm LED channel falls inside this adhesive's 365 nm absorption, with per-channel timers and life logs for a logged, repeatable production cure.

SkyWand COVERS

Handheld LED

Its 365 nm handheld LED covers this adhesive for rework, field service, and parts too large for a bench.

Worth Knowing: Its datasheet also calls for 250 nm to fully cure surfaces exposed to air (to beat oxygen inhibition). That UVC line is below the 275 nm floor of these systems, so cure under a nitrogen blanket or expect a slightly tacky air-exposed surface.

Which One to Buy

All three systems output the 365 nm this adhesive needs, so choose by how you cure, not by wavelength:

Bench

SunSpot 2

Bench work, and the highest intensity for thick or high-dose cures.

Automated Line

SkyBeam

A fixtured or automated line with logged, per-channel cures.

Field & Rework

SkyWand

Rework, field service, and parts too big for a bench.

Get a Quote, We'll Match the System to Your Process →

Read This Before You Rely on It. These are the manufacturer's published specifications, not our own test results. Whether a cure fully succeeds also depends on your film thickness, joint geometry, substrate, and lamp distance, so always validate the cure on your own parts and process, and confirm the numbers against the manufacturer's current datasheet.

Loctite AA 349 and other product names are trademarks of their respective owners. UV Spot Shop is an independent equipment supplier and is not affiliated with, authorized by, or endorsed by Henkel.

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