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[April 2001]
Zircon-Based Spray Coating for Fibre
New from the Furnascote Laboratories at Polybond Ltd (Warsash, Southampton, England) comes a new product - Polybond Fibrecoat(tm) - which has been specially developed to enhance the performance of Refractory Ceramic Fibre in all applications, whilst at the same time solving many of the problems associated with the reclassification of RCF as a Class 2 carcinogen.
Polybond says that the coating binds the surface fibres forming a thin, tough and inert, biscuit coloured ceramic skin; renders ceramic fibre harmless in use; and extends fibre life and maintains insulating properties for longer.
Fibrecoat(tm) is said to prevent fibre dust contaminating the working environment and can be applied to new or existing linings. It is suitable for both glazed and unglazed product manufacture. Polybond claims that the zircon based refractory composition offers greater protection than alumina based coatings. There is increased erosion resistance to flames and high velocity gases, from approximately 12m/s to 30m/s-50m/s.
Polybond Fibrecoat(tm) is supplied as a dry powder which is mixed with cold water to form a slurry. A typical application will use a 1mm to 3mm spray applied coating to encapsulate and seal the ceramic fibre.
ENDS