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How we test superglues

Superglue How we test superglues

Rigorous analysis in the Which? Test Lab reveals the best Superglues

12 separate tests were carried out on each superglue in our rigorous lab tests.

We rated how well each glue performed in a variety of strength and ageing tests, and carried out eight different ease of use tests – rating everything from odour, consistency and how easy it was to clean wet and dried glue.

See our full results table to find out how each performed.

Superglue sticking power

We tested superglue strength on four different materials – rubber, metal, plastic and ceramic. Two superglues achieved top marks for strength.

We recorded how long each superglue took to feel dry to the touch and checked how strong they were once they were completely dry.

To find out if a repaired item would stay strong over time, we aged the glues under simulated conditions then tested the strength of a glued joint after simulated aging by applying pressure and recording how likely they were to break apart.

Ageing in the container

To check how well each superglue stayed suitable for use, we tested them 24 hours and one, two and four weeks after opening. At each interval we recorded the condition of the superglue in its container, whether it was still fluid and how effective it was at bonding rubber.

This test combined with the other glue performance tests described above accounted for 50% of each superglue’s total test score.

Ease of application

We rated each superglue for consistency, odour and container design – that is how easy to use each container was and found some designs were easier to use than others. To find out how each glue performed see our full results table.

We also assessed how easy it was to control the amount of glue dispensed and how likely the nozzle was to block. Cleaning wet and dried glue was rated and we found once dried, some glues were a lot easier to clean off than others.

The ease of application tests accounted for 50% of each superglue’s total test score.