KEIRBY PRODUCT DATA SHEET
Soft Core Ceramic Braided Packing
Construction
Is manufactured by braiding over a ceramic fibre core with ceramic/Inconel
or ceramic/glass yarn.
The packing is available in both square and round section, and is suitable
for dry static application only. Ceramic fibre yarns, reinforced with either
a wire or glass filament. Yarns are produced on traditional textile machinery
by carding high purity 1260°C grade ceramic fibres with a percentage of
cellulose fibre to assist in the processing. The yarns are then spun and combined
with the relevant reinforcing media to improve the tensile strength at extended
temperatures.
The organic content will burn off at temperatures above 200°C without
affecting the properties of the ceramic fibre, however, adequate ventilation
should be provided during this initial firing. Where tensile strength is important
the temperature limitations of the reinforcing media should be considered.
Properties
Ceramic fibres are suitable
for use at temperatures up to 1260°C dependant on application.
Resistant to most chemicals
except phosphoric acid, hydrofluoric acid and strong alkalis.
Are non combustible.
Have a low thermal conductivity.
Resistant to thermal shock.
Reinforcements
Temp Limitations: >E= glass filament suitable for temperatures up to 550°C.
Nickel chrome alloy wire 601 suitable for temperatures up to 1091°C.
Typical Application: Kiln car seal, furnace door seal etc.
Available in square, round and rectangular sections.
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