man it is not the color ..which matters the colour depends on the indicator.. in the pH scale O is very acidic and 14 is very basic.7 is neutral. pH do not depend on colour.absolutely no relation.........eg : neurotic acid with pH zero is plain like water. Here is another attempt to answer your question: http://en.wikipedia.org/wiki/Universal_i...
Acrylic Adhesives. Acrylic adhesives can either be water-based (this is also referred to as emulsion or dispersion) or solvent-based. Water-based are slower drying compared to solvent-based systems but generally solvent-based acrylic systems have better resistance to other solvents, chemicals and water.
What is the difference between CA glue, instant glue, cyanoacrylate, and super glue? CA glue, instant glue, cyanoacrylate, and super glue are different names for cyanoacrylate adhesive. Although these all describe the same type of glue, different groups of users use different names. Skilled crafting professionals and serious hobbyists and model-builders usually use the terms CA glue and instant glue..