From: santoken@bright.net
Date: Thu May 19 2005 - 04:41:54 PDT
Oh, and a few more things I forgot...
A 'treatment' is only designed to treat existing rust and has no 'preventative' capabilities. A 'Coating' does. It will penetrate and seal the existing surface rust, and protect it from expansion of that rust, as well as prevent new rust spots from forming.
Kent
>
> From: <santoken@bright.net>
> Date: Wed May 18, 10:38 PM
> To: "Military Vehicles Mailing List" <mil-veh@mil-veh.org>
> Subject: [MV] Rust 'Treatments' vs. 'Coatings'
>
> List,
>
> As most of you know, I own an auto parts store, I sell all types of rust treating products, here's my experience.
>
> There are several types of different rust treating products on the market today. To decide what product you need/want, you need to decide what product you need based on what your job is and how to handle the problem...as well as how you want the finished product to be.
>
> Basically, there are rust 'treatments' and rust 'coatings'. Treatments chemically convert or remove rust, while rust coatings are more like paint.
>
> Treatments chemically react with the rust, and either 'eat' or convert the rust. Some of these treatment products are Extend and naval jelly (I sell both). I prefer Extend, it converts the rust to a hard, black oxide that can be sanded and painted. I prefer Extend simply because I've never used naval jelly. These products tend to work better with denser rust situations.
>
> Coatings are intented to be the finished product. The penetrate the rust, and isolate it. Most coatings are not intended to be recoated. Some of these products are POR-15 and Ensign 395A (I sell both). These types of products DO NOT convert the rust to anything...they only penetrate the rust and 'sealing' it. I prefer Ensign 395A. It's a coal tar epoxy base, it is self etching and can be used on bare metal and rust, as well as most other substrates. 395A was originally developed for the US Government as an underground storage tank treatment. In most cases, with a coating, just by default the coating will be very durable.
>
> No matter what product you decide, the scaley rust must be removed. These types of products are only effective on 'surface' type rust.
>
> Some recommended uses and examples:
>
> Body Panels: Treatment.
> Underside of mower deck: Coating
> Vehicle Frame: Treatment or Coating...depends on desired finish. I would prefer a coating.
> Unexposed steel: Coating
>
> In summary, you just need to decide some key issues:
>
> Do you want your own desired finish?
> Care how the surface texture is upon completion?
>
> Enough for now, any questions or requested recommendations can be emailed to me directly.
>
> Kent
>
>
>
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