From the Belzona 1511 data sheet ........
Key technical data:
Working life at 25C (77F) 60 minutes
Pull off adhesion on grit blasted mild steel (ASTM D4541 / ISO 4624) 5180 psi (35.7 MPa) 20C/68F cure
5160 psi (35.6 MPa) 100C/212F cure
4700 psi (32.4 MPa) 160C/320F cure
Tensile shear adhesion on grit blasted mild steel (ASTM D1002) 3060 psi (21.1 MPa) 20C/68F cure & test
2780 psi (19.2 MPa) 100C/212F cure & 20C/68F test
2980 psi (20.5 MPa) 160C/320F cure & 20C/68F test
Temperature resistance 160C (320F) immersed, 210C (392F) dry
Bonds to Steel, stainless steel and other metals
Typical applications Metal repair and pit filling for equipment operating at high temperature
I'll bet the company has thought about heat expansion of the base metal.
SRH