TM 1-1270-476-30
2-27
2-6. SEALING COMPOUNDS AND ADHESIVES REMOVAL, APPLICATION, CURING, AND
OUTGASSING (cont)
REMOVAL
a. Remove cured adhesive as follows:
NOTE
Use 400 grit abrasive paper when sanding
plastic.
(1) Sand surface with 180 grit abrasive
paper.
(2) Scrape surface with knife.
(3) Clean surface with cloth and isopropyl
alcohol.
APPLICATION (Work life is 35 to 50 minutes after
mixing at 67 to 87°F.)
b. Clean surfaces with cloth and isopropyl
alcohol.
c. Wipe surfaces with cloth and
trichlorotrifluoroethane.
d. Mix epoxy kit by one of the following
methods:
(1) Mix equal length beads of base and
hardener.
(2) Mix 3 parts base and 1 part hardener by
weight.
e. Apply adhesive with knife or putty knife.
NOTE
Remove excess uncured adhesive using a
cloth and isopropyl alcohol.
CURING
f. Cure adhesive for 24 hours at 67 to 87°F.
END OF TASK
10. ADHESIVE SEALANT, SILICONE, RTV
PRIMER
WARNING
ACETONE
• Flammable, toxic, irritating. Can cause
breathing problems, eye damage.
• Don’t: Use near flames or sparks, let it get
on skin, or breathe vapors.
• Do: Use in well-ventilated area, close
containers when not using. Wear acid-type
safety goggles, rubber gloves, and rubber
apron.
• If it contacts skin or eyes, wash affected
areas with running water. Get medical help
at once.
• If you experience any breathing problems,
get to fresh air at once.
APPLICATION
a. Clean surface with cloth and acetone, air
dry.
b. Apply primer within 1 hour of step a
(above).
c. Apply primer in a thin coat using a brush.
NOTE
• Remove excess uncured primer using a
cloth and acetone.
• Do not handle primed parts with bare hands,
wear finger cots.
CURING
d. Cure primer for 1 hour at 70°F or above, or
1.5 hours at 60 to 69°F.
END OF TASK
