Watched a fellow spraying his camper with a back back sprayer Said he was using rain x like you apply to car windshields, But was for exterior, anyone else tried it heard of it or thoughts. Cl...
Yep. At one time "Rain-X" was a single product, a hydrophobic polymer dissolved in alcohol/acetone/acid.
Nowadays, Rain-X is a brand, with a wide range of products. But, if it's not specifically stated, to me "Rain-X" refers to the original, in the yellow bottle. Been using it for almost 40 years.
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