Turps or kero wil move it
It will often work on certain kinds of mastic. Worth a try.
No, remove the old stuff, scrape it off with razor blade or similar then reapply
You would use a solvent to dissolve the mastic, which will make it easier to remove. There is a plethora of solvents available that are specifically for black mastic, including some that are environmentally safe. Type in "solvent for black asbestos mastic" in Google for a list of products.
spray it with WD-40 and then wipe it off.
The address of the Mastic Peninsula Historical Society is: Box 333, Mastic, NY 11950-0333
I found the following link that I hope will help: http://www.parish-supply.com/mastic_removal.htm
My mirror supplier and installer says that it can be done with a plumber's torch used to soften and peel off the mastic, if done very, very carefully. A blow dryer isn't hot enough. I have not tried this myself.
You have to remove the water or the land fill in order to work on the walls of the vessel.
Try WD-40 and, if it will not loosen the adhesive, use a sharp chisel to GENTLY scrape it off.
IS 1195/1196 mastic with 25 mm thickness
There is little difference except mastic means 'from plant origins'.
A work function is a term used in physics for the minimum amount of energy needed to remove an electron from the surface of a material.