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BNZ s.a.
PLEMET,FRANCE
BNZ Materials Inc; operates another Insulating
Firebrick manufacturing facility at Plémet in
Brittany, France. The combined capacity and
product availability of BNZ’s brick factories
result in the Group being recognised as one of
the World’s leading quality manufactures of
refractory insulating firebrick.
The Plémet facility has produced refractories
for over 70 years. Now specialising in producing
only Insulating Firebrick, at one time the
Worlds first ceramic fibre blankets were
manufactured here.
BNZ Materials Inc. acquired the Plémet plant
towards the end of 1999 to compliment the bricks
produced at their Zelienople,PA plant in the
USA. The principal clay used to produce Plémet’s
bricks is extracted from BNZ’s own quarry. This
combined kaolinitic and illitic clay is also
supplied for ceramic applications, for example
for potting and as a plasticity improver for
whiteware bodies.
Brick microstructures produced in the fired
brick are exceptionally suited to applications
where high mechanical strength, resistance to
chemical attack combined with good insulating
properties are required.
Examples include for the primary aluminium
industry, anode baking furnace and reduction
cell insulation. Plémet’s brick offer good
resistance to molten aluminium metal and
combined halogen and alkali attack for highly
porous refractory microstructures. See the
reference list for recent contracts in this
field.
These useful attributes are also put to good use
in the glass industry. Here sub-hearth
insulation of melting tanks, for port neck and
side wall insulation. Large blocks up to a
maximum format of 600 x 400 x 100 mm can be
supplied in Group 23, Group 25 & Group 26 brick
specifications.
Recent independent comparative studies have
shown that our Calor A insulating brick came out
the best in lining trials for craft salt glaze
use.
The Plémet range of bricks is also proven for
many of the general purpose kiln and furnace
insulation applications. However where high hot
strength is required the bricks produced at the
Zelienople plant can be considered. The USA
clays generally have lower alkali contents than
European clays and have superior microstructures
for long term under-load creep properties.
It is important to use a mortar compatible with
refractory insulating bricks. BNZ’s distinctive,
proven Blackbond mortar has been formulated to
meet both the requirements of the lining’s
performance in service and the practicalities
for good bricklaying practice.
BNZ s.a. have a network of distributors around
the World. We can bring to bear considerable
technical and engineering support for refractory
users at the design, procurement, construction,
commissioning and operational phases for
refractory linings.
With our wide range of products we can always
supply a solution.
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