Automotive Chemical Stripping and E-Coating

How Much Rust Does My Car Have?

There is only one way to find out. Using the process called automotive chemical stripping and E-coating we strip your vehicle down to bare metal and take a look. 

The classic car buyer is often told, “This car has no rust.”  Realistically, however, almost no 20, 30 or 50 year old cars are rust-free.  The more practical questions would be how much rust exists, where is it, and what can be done about it. 

Since most rust is hidden under body filler and paint, our method of choice for rust removal is chemical stripping.  E-Coating, an electrically applied sealer, is then used to seal the bare panels to prevent rust from recurring.  This process gives our clients the peace of mind to know their classic car restoration will stand the test of time. 

Auto Chemical Stripping
Z-28 Chemical Bath and E-Coating Process Complete

Want to know more?  Here are the details.

  • Sheet metal parts are baked in an oxygen-deprived oven at 750–800 degrees.

    • The oxygen-deprived chamber prevents warpage.
    • The oven reduces to ash all contaminants, paints, and any material other than metal.
    • A pressure-wash with water follows the baking procedure.
  • The metal components are then dipped in phosphoric acid.

    • This is a 10% solution used to remove rust and substances which were turned to ash in the oven.
    • The panels are pressure-washed with water after this treatment.
  • The metal components are then dipped into a hot caustic soda bath.

    • This bath neutralizes the phosphoric acid.
    • All panels are then again pressure-washed with water.
  • The metal components are then dipped in an electrolysis “de-rust” solution.

    • This bath is also a low content caustic soda solution.
    • This process removes rust and returns a bright sheen to the metal.
    • All parts are pressure-washed with water following this bath.
  • The panels are treated through electro deposition.

    • This process is sometimes referred to as E-coating.
    • It’s necessary to seal the cleansed metal to prevent corrosion on all surfaces from the inside out.
    • This is also a liquid and electric process.
  • The parts are treated with zinc phosphate for corrosion protection; a submerged electro-plating process.

    • The parts are rinse, de-ionized, and then rinsed again.
  • The parts are positively charged and submerged to receive a Cathodic Epoxy Coating inside and out.

    • This coating prevents rust and promotes paint adhesion.