Buy GBL in Bulk 10L Buy GBL in bulk 10L from GBL Purified when your business requires a dependable quantity of Gamma-Butyrolactone for lawful industrial, automotive, applicazioni di ricerca manifatturiera o professionale. The 10-litre package provides an economical option for established businesses that need more product than smaller retail containers but are not yet ready to order drums or intermediate bulk …