
Heated fluoro-carbon rubber
WARNING
Risk of serious injury.
At very high temperatures fluoro-carbon rubber
forms substances which are very corrosive to skin
and lungs.
Always wear personal protective equipment.
When handling a machine which has been
damaged by fire or been exposed to intense heat,
the following measures should be taken:
Use thick, rubber gloves and wear protective
goggles.
Discard gloves, rags and other items that have
been in contact with heated fluoro-carbon rubber
after first having washed these items in lime water
(a solution of calcium hydroxide, that is slaked
lime in water).
The area around a part which has been very hot
and which may be made of fluoro-carbon rubber
should be decontaminated by thorough and
ample washing with lime water.
As a precaution, all seals (O-rings and other oil
seals) should be handled as if they were made of
fluoro-carbon rubber.
The hydrofluoric acid may remain on the machine
parts for several years after a fire.
If swelling, redness or a stinging feeling appears
and one suspects that the cause may be contact
with heated fluoro-carbon rubber, contact a
medical doctor immediately. Several hours may
pass, however, before any symptoms appear and
there is no immediate warning.
The acid cannot be rinsed or washed off from the
skin. Treat instead with Hydrofluoric Acid Burn
Jelly or similar before contacting a medical
doctor.
Safety when servicing
Handling hazardous materials
141
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