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[December 2000]
Saggar plates can be repaired with ceramic adhesive
CeramabondTM 503, a new high temperature ceramic adhesive manufactured by USA company Aremco Products Inc, is now used to repair cracked mullite saggar plates used in the firing of ceramic parts up to 1760°C, resulting says the company in significant cost savings.
The saggar plates tend to crack after repeated thermal cycling and CeramabondTM 503 - which is a single component alumina-based adhesive system - is said to be achieving excellent repair results.
It is an inorganic, water soluble, alumina-filled adhesive system which resists temperatures to 1760°C. It is applied easily by spatula, syringe or brush and fully cures in 1-2 hours at 700°F. It sinters and strengthens further to a lap shear strength of 800psi-900psi as it is exposed to the ultra-high temperatures required in the firing of ceramic parts.
Additional applications for the product range from the assembly of dense ceramic components used in ultra-high vacuums to the bonding and coating of platinum/rhodium resistance wires on aluminium oxide heater cores.
Web site: http://www.aremco.com/
ENDS