Crystic Fireguard 75PA Excel brochure0 pages

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Fireguard 75PA Excel
Protecting Composites from Fire
Unsaturated polyester resins
used to make Glass Reinforced
Plastic (GRP) are organic and
like all organic compounds
they will burn. However, by
applying Crystic Fireguard
75PA Excel as a topcoat, it
is possible to modify their
burning behaviour.
■
Crystic Fireguard 75PA Excel Brush
and Spray achieve BS 476 Part 6
Class 0, BS 476 Part 7 Class 1 and
M1 rating according to Epiradiateur
NFP 92-50. (A thickness of 0.7mm is
required to meet the fire approvals)
Crystic Fireguard 75PA Excel External Burn Test
GRP box before being
set on fire
GRP box
with Crystic
Fireguard
75PA Excel
GRP box
without Crystic
Fireguard
75PA Excel
Acetone poured in to both sides
and set alight
To show the dramatic properties of
Crystic Fireguard 75PA Excel in a fire,
a large GRP box, split into two sections
was set alight. The left hand side
was a standard general purpose GRP
laminate coated with Crystic Fireguard
Excel. The right-hand side was a
standard general purpose laminate
with a general purpose topcoat
applied.
■
In-house tests have shown that
Crystic Fireguard 75PA Excel can
withstand a direct flame at 7000C
for over 60 minutes
■
Simply add 2% MEKP catalyst and
apply as a topcoat to the reverse
side of any general purpose
laminate
Acetone was poured into both halves
of the moulding, ignited and allowed
to burn. The acetone started to burn
in both halves of the box, but the
flames really started to take hold on
the uncoated right hand side. The
fire was allowed to continue for over
4 minutes until it was evident that
the fire was out of control on the
uncoated half. The other half was
clearly protected by Crystic Fireguard
75PA Excel.
■
Cures totally tack free
Results after Flames Extinguished
■
Available in black, white and grey
in 25kg kegs and 225kg drums
■
Other colours can be manufactured
subject to minimum order quantities
■
Can be used on wood and other
slightly porous materials
■
Designed for internal use – the
weather resistance is not as
good as a standard polyester
gelcoat but it is superior to most
intumescent paints
Leading composites innovation for over 60 years
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The fire in the box after 4 minutes clearly
showing the protective properties of
Crystic Fireguard 75PA Excel on the left
hand side
Results
after flames
extinguished
The uncoated right-hand side is black
and displays very visible signs of being
in a fire. If the fire had been left to
continue, this side of the GRP box
would have continued to burn until
only a black residue remained. On the
left hand side, Crystic Fireguard 75PA
Excel provided a passive barrier to
block the path of the fire. When the
fire attacked the intumescent topcoat
it caused a chemical reaction which
made the topcoat expand to form a
non-flammable protective layer that
insulated the surface.
75PA/6/10
Fireguard 75PA A/W.indd 1-2
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