Bonded fibrous materials
OwnerPaul Nigel Eaton, Craig John Freemaninventors
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Abstract
A refractory material comprising a strontium aluminate refractory fibre and an inorganic binder comprises when fired greater than 35 wt % strontium oxide and/or Al2O3=aluminium oxide content of strontium aluminate fibre ±65 wt %, SiO2=silicon oxide content of strontium aluminate fibre ±20 wt %
Claims40
A refractory material comprising a strontium aluminate refractory fibres and an inorganic binder comprising when fired greater than 35 wt % strontium oxide.
A refractory material as claimed in any preceding claim, in which the inorganic binder comprises when fired:
- SrO>40 wt %.
A refractory material as claimed in any preceding claim, in which the inorganic binder comprises when fired:
- SrO<90 wt %.
A refractory material as claimed in any preceding claim, in which the inorganic binder comprises when fired:
- SiO2 silicon oxide content of strontium aluminate fibre±15 wt %.
A refractory material as claimed in any preceding claim additionally comprising an inorganic filler.
A refractory material as claimed in claim 26, in which the inorganic filler comprises when fired:
- SrO<80 wt %.
A refractory material as claimed in any preceding claim comprising, before firing, both a latex binder and a starch.
A refractory material as claimed in any preceding claim comprising, before firing, a cationic polymer.
Dependencies are inferred from the claim text.