Expanding foam
 

Can anyone please advise, I want to take some expanding foam in my suitcase on a long haul flight as I cannot purchase it where I'm going. Is it safe to take or am I going to end up with a suitcase full of gunk ?
Any advise would gratefully received

It's just a pressurized can full of stuff and no different from, say, shaving foam. I see absolutely no reason why it would be a problem.

Edit: Unless it's flammable and/or contravenes any rules about carrying such substances in the hold.

Is that a requirement? I think I've taken bigger aerosol cans in my luggage in the past.

100ml only applies to carry-on (with larger cans allowed in checked baggage). However, if it's the stuff I'm thinking of, it would be prohibited because it's flammable. Check for warning symbols on the can.