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Superglue will melt the foam unless it is specifically a 'foam friendly' type.
Araldite probably won't.
UHU por (effectively a foam friendly contact adhesive) might be better if there is a reasonable area to glue to, otherwise you want a model shop or better still an aeromodeller who will give you the few drops you need and probably have the correct accelerator.
I'd offer, but I suspect Shropshire is too far away to be convenient.
One of the little plastic clips that attached my helmet strap to the foam lining part has detached. I have superglue and araldite 2-part epoxy.
Will either of them melt the foam? Is there a better glue to use?