Pure Liquid Gamma – Butyrolactone (GBL)- 20L Canister GBL for sale USA Gamma-butyrolactone (GBL) has broad usages. It could be a common dissolvable found in paint strippers, nail clean removers, stain removers, ink removal, circuit board cleaners and alloy wheel cleaners. It is additionally a common halfway in mechanical chemistry and used in the creation of other chemicals. Buy Now