Buy GBL 99.99% Rim Cleaner. Buy GBL 99.99% Rim Cleaner a Colorless liquid GBL for exceptionally cleaning of rims, alloy wheels, brakes, electronics, remove paint, graffiti. GBL gets the cleaning job done in few minutes.Cas Number: 96-48-0EINECS: 202-509-5Purity: 99.99 %