Company: Worldchem Co. Is an experienced company specialized in GBL ( Gamma-butyrolactone), NMP (N-Methyl-Pyrrolidone), 2-Pyrrolidone and PVP series. GBL Usage: GBL is a kind of excellent cleaning reagent. You can use it to remove paint-, ink- and oil-stains very easily. GBL dissolves in water and it is biodegradable and not flammable. So it is very safe and easy to use with the right precautions. Product details: GBL Purity: 99, 99% CAS. No.: 96-48-0 HS. Code: 29322900 Sales Conditions: We can supply different ammount of GBL such as 500ml, 1-10 Liter, 200kg etc. If you wish to receive any additional information or concerns regarding GBL, please feel free to contact us any time.