Bob, Have you tried 303 Aerospace Protectant ? i do not believe that it contains silicone either and it works well. Hugh Barber On 6/22/2013 3:08 PM, Bob Labuz wrote: > Hi, > > I am trying to locate a product called: Keyston Vinyl Protectant > #4222". My bottle I bought from Moss finally is empty. The Moss # was > 220-180 but is no longer valid.