Buy GBL 5L Cleaner 99.99% Pure Buy GBL 5L cleaner from GBL Purified when you require a larger and more economical quantity of Gamma-Butyrolactone for lawful industrial, automotive, applicazioni di ricerca manifatturiera o professionale. Gamma-butirrolattone, commonly abbreviated as GBL, is a versatile industrial solvent identified by CAS 96-48-0. Its powerful solvency makes it suitable for qualified professionals working with certain cleaning …