Ambersil 31554 aa amberklene me20 heavy duty solvent 400ml ambersil 31554 aa p this heavy duty solvent from ambersil is for tough and old grease deposits which require a longer contact time contains no cfcs or other chlorinated solvent and is an ideal alternative to 1 1 1 trichloroethane p p a highly effective degreasing agent controlled evaporation allows increased contact time for excellent performance on heavy deposits of oil grease and tar also effective on many other types of so