Scope. This specification applies to a ready-for-use paint suitable for use as a primer in As amended the protection of iron and steel surfaces under both indoor and outdoor weathering January1981 conditions.
NOTE: The paint is not recommended for spraying due to its high concentration of red lead. As amended
October 1982
1.2 Classification. Red lead based primers covered by this specification shall be one of the following types:
Type A Slow drying Red Lead Primer Type B Red Lead/Iron Oxide Primer
Type C Quick drying Red Lead Primer
SS 6-1970 history
1970SS 6-1970 SPECIFICATION FOR Red Lead Based Primers for Iron and Steel Surfaces