AA H3405 Methacrylate Adhesive
Two-part methacrylate adhesive · US · manufacturer-sourced
How long does Loctite (Henkel) AA H3405 Methacrylate Adhesive take to dry?
Short answer
Bond-strength path
Hold, handle and full load come at different times
- Join the parts with the Two-part methacrylate adhesive
- Hold or clamp for the set time
- Put load on the bond only at full strength
This product’s stated stages Quoted at 23°F
- Working time ends3 minutes
- Set11–15 minutes
- Ready for load1 day
Worth noticing: Working time is only 3 minutes; the next stated stage, set, is 11–15 minutes.
Common mistake: Releasing the clamps because the glue line feels firm, long before it can carry a load.
Bond-strength path
Assembly, handling and full load are different stages
Time bond readiness
Your countdown
Stated times
- Working time ends3 minutes
- Set / hardened11–15 minutes
- Can take load or strain1 day
From Loctite (Henkel) data sheet · checked 2026-10-25. Anything not listed isn’t stated by the manufacturer.
Manufacturer website: loctiteproducts.com
Conditions & fine print
- Stated conditions: 23°F (-5°C)
- Pot life and cure times shorten in warm rooms and with larger batches. Follow the current data sheet and mixing instructions.
- Region US. Formulas can differ between countries; check your container.
- Working time ends: At 23°C (73°F).
- Set / hardened: At 23°C (73°F); fixture is 0.1 N/mm² shear.
- Can take load or strain: At 23°C (73°F).
- Entered from the cited manufacturer documentation. Check the current label for the exact formula and region. Report outdated information
- Actual results depend on preparation, thickness, ventilation, temperature, humidity, mixing and substrate.
Confirm this is your product
Closely named formulas, colors and regional versions can use different times. Match these details to your container before starting a countdown.
- Exact listing
- Loctite (Henkel) AA H3405 Methacrylate Adhesive
- Variant
- Two-part methacrylate adhesive
- Region
- US
- Listed use
- methacrylate bonding
- Timed stages recorded
- tooling, set, load ready
- Source checked
- 2026-10-25
Documentation: Technical data sheet · Data sheet August 2024
Condition attached to the stated time: At 23°C (73°F).
About this product
A two-part methacrylate whose working time is only 3 minutes, so assembly has to be fast, but whose fixture times run 11 to 15 minutes across galvanized steel, mild steel, aluminum and HDPE. Parts stay fixed 24 hours before loading.
Using this specific product
Loctite (Henkel) AA H3405 Methacrylate Adhesive is listed here as the Two-part methacrylate adhesive version for methacrylate bonding. For bonding parts, the useful question is not simply whether the surface looks finished—it is whether the exact next-action milestone shown above has been reached.
Before you start
- Confirm the package says Two-part methacrylate adhesive; related versions can use different timing.
- For methacrylate bonding, pay particular attention to surface fit, cleanliness, clamping pressure and bond-line thickness.
- At 23°C (73°F). At 23°C (73°F); fixture is 0.1 N/mm² shear.
How to check readiness
Test a noncritical offcut or wait for the stated load milestone before stressing the joint. The data sheet gives a working time of 3 minutes, the maximum time before assembly. The data sheet gives fixture times of 11 to 15 minutes depending on the substrate. The data sheet says parts should be fixed for a minimum of 24 hours before a load is applied.
Avoid this mistake
Handling strength and full load strength are different milestones.
Compare with similar products
- Compare with Evo-Stik Sticks Like Turbo ClearSet: 10 min there, 11–15 min here.
- Compare with 3M Plastic Emblem & Trim AdhesiveSet: 15 min there, 11–15 min here.
Questions
How long does this product take to dry?
Loctite (Henkel) states: The data sheet gives a working time of 3 minutes, the maximum time before assembly. Conditions: At 23°C (73°F).. The data sheet gives fixture times of 11 to 15 minutes depending on the substrate. Conditions: At 23°C (73°F); fixture is 0.1 N/mm² shear.. The data sheet says parts should be fixed for a minimum of 24 hours before a load is applied. Conditions: At 23°C (73°F).. These are the manufacturer’s stated times, not a guarantee.
How long do I have to assemble parts with LOCTITE AA H3405?
The sheet gives a working time of 3 minutes at 23°C for HDPE, steel and aluminum, then fixture in 11 to 15 minutes depending on the substrate.
How long do I have to work with this product?
Loctite (Henkel) states: The data sheet gives a working time of 3 minutes, the maximum time before assembly. Conditions: At 23°C (73°F).. These are the manufacturer’s stated times, not a guarantee.
What affects how long this product takes to dry or cure?
Pot life and cure times shorten in warm rooms and with larger batches. Follow the current data sheet and mixing instructions. Follow the product label for your conditions.