On Wed, 18 Apr 2018 09:49:34 +0100
Harry Bloomfield wrote:

No, I no longer have the empty tube to help identify it. It is on a
painted surface, very well adhered and I need to remove it. Gentle
scrapping gets the thick off, but not the entire thickness. Is there
any solution which will loosen it please?

Have you tried hot air? Possibly with steel wool rather than a scraper.