MIL-HDBK-1005/16
Table 23 (Continued)
Steel Structures Painting Council Surface Preparation Standards
Designation
Title
Application
SSPC SP8
Pickling
Chemical cleaning;
generally used before hot
dip galvanizing
SSPC SP10
Near-White Blast
Better than SP6 but not as
Cleaning
good as SP5
SSPC SP11
Power Tool Cleaning
Generally removes all
to Bare Metal
contaminants, but with
SSPC SP12
High-and Ultrahigh-
General clean-up; old
Pressure water
concrete
Jetting
12.3.1.2 Coating Systems A number of coating systems may be
selected, depending on the specifics of the exposure. Table 24
gives recommended systems, based on exposure conditions.
Table 24
Suggested Protective Coating Systems (1)
Environment
Description
Epoxy primer with coal-tar
Submerged or partially
submerged metals in wastewater
epoxy finish coats
Atmospheric exposure in all
Epoxy primer with polyurethane
process areas; interior and
finish
exterior
Exposed metals in nonprocess,
Rust-inhibitive primer with
interior areas
alkyd enamel finish
Buried steel
Pipe enamels, coal-tar epoxy or
pipeline tapes
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