is kind of single component adhesive for sealing and locking of screw threads with medium viscosity, high strength. It wil cure when between two matched metal surface and isolated with air. It can avoid the leakage and less of screw threads. It is applied on permanent locking an sealing for screw under M36 and prevent rusty. The typical usage is locking for the screw terminal of stud bolt (such as the stud bolt of Cylinder Head).