ARMY TM 5-5420-212-23
MARINE CORPS TM 08676A-23/2
Remove damaged coating(s) until a sound pitch surface is reached.
Roughen surface with crocus cloth.
Mix epoxy base and pitch curing agent in equal parts by volume, or weight. DO NOT THIN.
Only mix sufficient for requirements. Pot life of mix is approximately 3 to 4 hours at 68oF (200°C).
b. Patch Painting
Brush apply coat of epoxy pitch at approximate rate of 4 1/2 oz/yd2 (150 gm/m2), and allow to air dry for
approximately thirty minutes.
Liberally cover epoxy pitch coating with bauxite grit using a stiff bristle brush, at an approximate rate of 3 Ib/yd2
(1500 gm/m2), and allow coating/bauxite grit to dry for twelve hours.
Lightly brush off any loose grit.
Apply further coat of epoxy pitch to give a total covering of 20 oz/yd2 (750 gm/m2), and allow seven days to cure.
Stacking is permitted during the seven day period, provided that no contact is made with the treated surface.