A14 and A28 high temperature adhesive can provide high bonding performance between ceramic fiber boards, blankets and other ceramic fiber insulations. They can be used to bond ceramic fiber insulations to firebricks and other refractory materials. They can also be used to repair ceramic fiber boards, firebricks in stoves, fireplaces, barbeque grills, heaters, furnaces, wood stoves, coal stoves, and other units that have ceramic linings. Moreover, They can be tucked in to board and firebrick joints to form a seal, or coat on board and firebrick surfaces to seal up cracks and fill in minor voids.
The upper service temperature can be up to 2600°F for A14 and 2800°F for A28. They are prepared to a mortar and ready for use. They can be applied by brushing or trowel. After drying they form a hard bond.
High bonding strength
Thermal shock resistance
High temperature stability
Good chemical stability
Clear each surface to be bonded by removing contaminants and dust. Surfaces with high water absorption should be wetted with water before using the coating.
Mix the adhesive well because material may settle while transported or sitting.
Apply the adhesive to each surface to be bonded, and contact surfaces together with light but firm pressure. Excess adhesive can be brushed away from the bond site.
The adhesive is air-sitting glue. Allow it to dry at room temperature, or an elevated temperature (don’t exceed 100°C (200°F)), for about 24-48 hours. Higher temperature will help curing. If temperature is too low (<15°C (60°F)), more time may be required for curing. However, the adhesive dried at room temperature is not water-proof. Final curing should be done at high temperature (>1000 °F).