18 months - N/A.
Tectyl 558-AMC is a solvent cutback, slightly thixotropic wax based corrosion preventive compound with good water displacing properties. Primarily intended for protection of enclosed boxes, seams, joints and other creviced locations susceptible to corrosion in vehicles. Recommended as a primer coat for underbody protection with Tectyl 120 or Tectyl 120H.
Cures to a dark amber colored, translucent, waxy, semi-firm, slightly tacky film.