Gamma-Butyrolactone (GBL) has common industrial use. It really is a common solvent located in paint strippers, nail polish removers, stain removers and circuit board cleaners. It is additionally a typical intermediate in industrial chemistry such as the manufacture of pyrrolidones and in certain prescription drugs. I have introduced from chem https://gblshops.com/product-tag/buy-gbl-cleaner-australia-nl/