Astm D2092 Pdf

ASTM D2092 clearly states solvent cleaning removes oils but does NOT remove zinc corrosion products nor create a surface profile. Additional mechanical or chemical treatment is mandatory for durable paint adhesion.

This is the most common industrial method. It involves applying a zinc phosphate solution that reacts with the surface to form a crystalline layer, providing an excellent mechanical "tooth" for the paint. astm d2092 pdf

: Sites like IHS Markit or Techstreet often sell historical versions of ASTM documents. ASTM D2092 clearly states solvent cleaning removes oils

Abrasive blast cleaning and fluro-titanic/zirconic polymer treatments. astm d2092 pdf

The standard detailed several chemical and mechanical approaches: