TM 1-1270-476-30
2-24
2-6. SEALING COMPOUNDS AND ADHESIVES REMOVAL, APPLICATION, CURING, AND
OUTGASSING (cont)
CURING
e. Cure adhesive for 24 hours at 67 to 87°F.
END OF TASK
7. NONCORROSIVE RTV SILICONE SEALANT
PRIMER
WARNING
ISOPROPYL ALCOHOL
• Flammable, toxic, irritating. Can cause
breathing problems, eye damage.
• Don’t: Use near flames or sparks, let it get in
eyes, or breathe vapors.
• Do: Use in well-ventilated area, close
containers when not using. Wear acid-type
safety goggles.
• If it contacts eyes, wash eyes with running
water. Get medical help at once.
• If you experience any breathing problems,
get to fresh air at once.
WARNING
TRICHLOROETHANE
• Flammable, toxic, irritating. Can cause
breathing problems, eye damage.
• At 325°F, gives off phosgene gas, which can
cause death or serious injury.
• 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.
WARNING
TOLUENE AND 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.
REMOVAL
a. Remove cured primer as follows:
(1) Sand surface with 400 grit abrasive
paper.
(2) Scrape surface clean.
(3) Clean surface with cloth and isopropyl
alcohol.
APPLICATION (Work life is 15 minutes.)
b. Roughen surface with 180 grit abrasive
paper.
c. Clean surface with cloth and
trichloroethane or acetone.
d. Wipe surface with cloth and isopropyl
alcohol.
e. Apply primer within 4 hours of final cleaning
step.
