Rock wool panels belong to Class A non-combustible materials. The
main component, basalt, has a melting point of over 1500℃, and the
fibrous structure formed after high-temperature melting is
inherently non-combustible. In the event of a fire, unlike organic
insulation materials (such as polystyrene boards and polyurethane
boards), they do not burn, drip, or release toxic and harmful
gases. This effectively prevents the spread of flames between
building components, buying valuable time for personnel evacuation
and fire fighting. This characteristic fundamentally reduces the
risk of fire expansion caused by ignition of insulation materials
in buildings, and is a core advantage in ensuring the safety of the
main building structure.
The stability of the building structure during a fire is directly
related to the safety of life and property, and rock wool panels
have extremely strong high-temperature stability. In a sustained
high-temperature environment (usually able to withstand
temperatures above 600℃), their physical form and mechanical
properties change minimally, without softening, shrinking, or
collapsing. When used as insulation layers for walls, roofs, and
other structures, even if intense combustion occurs externally,
rock wool panels can still maintain structural integrity, assist in
supporting the main building, delay the instability time of floors,
walls, and other components, and avoid secondary disasters caused
by premature building collapse.
Rock wool panels have extremely low thermal conductivity, which not only meets the requirements of building thermal
insulation and energy conservation but also plays a role as a
"thermal insulation barrier" in fires. It can effectively block the
transfer of high temperature generated by flames to the interior of
the building, reducing damage to structural materials such as steel
bars and concrete inside the walls—preventing steel bars from
softening due to high temperature and reducing structural strength,
while also lowering the probability of indoor items being ignited
by high temperature, achieving dual safety protection of "thermal
insulation" and "fire resistance".
