From what I could tell, bevelling, cleaning and tinning the edges properly seemed to be key to getting it to stick properly. The bits I sledgehammer tested stuck really well where I’d done it carefully.
I reckon tin cans would be ideas to make small formers for “on the fly” mouldings 
Ok I am now the Benelux agent for Easyweld. well starting Jan 1st I am the agent, thats THE agent not an agent, all Easyweld sales and deliveries to Belgium, Holland and Luxemburg will be going through me, hopefully so will the German and French ones later in the year. Chris S (admin)