Logs
Pyro-Log® is an uncompressed monolithic mass of ceramic fibre. Pyro-Log fibre is available in 152mm to 203mm (6in and 8in) thicknesses with densities up to 240 kg/m3 (15 pcf). Manufactured in three temperature grades, R, ZR and C, the Pyro-Log fibre can be used in a wide range of applications. Pyro-Log fibre is the basic building block for all Pyro-Bloc applications.
All Pyro-Log fibre is produced with a special lubricant that allows the fibre to be intensely needled to attain densities up to 240 kg/m3 (15 pcf). This lubricant also adds pliability which allows true multidirectional compression during installation. At moderate temperatures this lubricant burns out and the fibre becomes rigid enough to stand on. This feature, unique to Pyro-Log fibre, assists during installation and provides the durability and toughness necessary for long life.
Pyro-Log product features:
- Resistant to devitirification at high temperature
- Pyro-Log is available in standard uncompressed densities up to 240kg/m3 (15 pcf). Lubricant in the Log allows for extra compression during installation, ensuring good, tight joints
- Combination of high density and opacity of its fibres to infrared radiation maintains the low thermal conductivity of Pyro-Log to high temperature
- Pyro-Log has the unique characteristic that on firing it converts from a relatively soft, easily compressible slab to a tough, near monolithic structure with a board-like texture
- The hard surface obtained after firing gives exceptionally high resistance to abrasion by flowing gases. This resistance can be enhanced by spraying the hot-face surface with Cerapreg or Kaowool hardener (up to 40-45m/s) or by coating with Kaowool® White Cement (up to 50-55m/s)
- The almost monolithic structure obtained after firing confers on Pyro-Log some load bearing capacity which can be utilised in lightly loaded hearths
- Pyro-Log is easily cut and shaped on site, or pre-shaped in the factory, to accommodate irregular sections or changes of profile, such as from oblong to round cross section in ducts
- The unique log structure allows us to produce L-shaped corner modules which ensures join-free linings around corners, both inside and outside
- Thermal shock resistance
- Good acoustic insulation
