https://carbideprocessors.com/nicrobraz-green-stop-off-type-i-1-kg-aluminum-container-981-gso-i/
Nicrobraz Green Stop-Off Type I, 1 Kg. Aluminum Container, 981-STPOFF1
Nicrobraz Green Stop-Off is designed to protect metal surfaces from the flow of molten brazing filler metal or to prevent metal surfaces from adhering to each...
type i