As you say, the number of factors involved is really crazy, especially when it comes to proving the suitability for a new glue. Thankfully there are a relatively small number of generally applicable glues that are used for 90% of situations.
For thos interested, the most commonly used glue in space in Europe is Scotchweld EC2216.
If you regularly practice the subject in the real world, ie glue stuff to other stuff, you should quickly notice whether your expertise is real?
but there is a whole world out there of glues that I havent got to work with yet, so expert still seems a bit rich to lay claim to.
> Ceramic to Leather
> We won't ask why you would want to glue ceramic and leather together - we just give gluing info.
> If the leather is thick (eg. boot leather), we recommend:
> Household Goop
(oh and wood glue for woodworking projects)
There are so many types of glue and factors like heat, flexibility, hardness, heat sensitive application, uv light drying, color, texture, time to dry, catalyst drying, and a million different types of materials that might need to be glued to another different type of material.