Thermagasket
Thermagasket is the type of automotive solution used to repair various
engine problems. It is specifically used to treat a blown head gasket.
This problem occurs after overheating, and is accompanied by other
symptoms like water in the oil, white emission (steam) coming from the
tailpipe and rumblings from the radiator. The makers of Thermagasket, RX
Auto, urges auto mechanics to apply the material according to
instructions to prevent further trouble from the head gasket. However,
further overheating may occur. According to RX Auto, the original
problem hasn't returned.
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Thermagasket Components
RX Auto describes the ingredients of Thermagasket as "ceramic
fiber, elemental carbon, and iron metallic alloy." These materials are
used to bond the cast iron, steel and aluminum engine components after
an overheating incident. They also tend to "activate" in extreme heat,
creating an even tighter seal than the area had before. When a head
gasket blows due to overheating, Thermagasket is applied to the space
between the engine block and the cylinder head, according to RX Auto. It
patches the hole for good.
Seal Limits
According to RX Auto, Thermagasket is effective in 94 percent of
blown head gasket cases. It also can withstand up to four times the
normal temperatures created by the engine. Because the materials create a
tighter seal as the heat increases, overheating after applying
Thermagasket will not break the bond.
Sealing Mistakes
The mechanic should inspect the Thermagasket seal to ensure that
it was applied according to instructions. Having antifreeze in the
cooling system can cause problems with the Thermagasket sealant, as the
chemicals within both problems are not compatible, according to RX Auto.
Improperly clearing debris and pieces of the previous head gasket can
also lead to a seal that isn't tight and to subsequent overheating.
Other Possibilities
Because the Thermagasket bond does not break as the engine
overheats, excessive overheating after the seal is applied means that
the problem isn't the head gasket that was previously repaired.
According to the creators of Thermagasket (RX Auto), the problem could
be in radiator cap defects, problems in the cooling fan, radiator,
heater core, thermostat or somewhere else within the cooling system.
