Sealing Compound@ Polysulfide@ Accelerator Required@ for Aircraft Structures (Should Be Used Instead of MIL-S-7124B@ Which Was Cancelled on 27 September 1999)
This specification covers compounds for sealing aircraft structure against the passage of air@ liquids and vapors. Classification: Sealing compound shall be furnished in the following classes. Class A - Suitable for brush application Class B - Suitable for application with injection or extrusion gun@ or spatula. Dash numbers: The following dash numbers shall be used to designate the minimum application time in hours: Class A - dash numbers shall be -1/2 and -2. Class B - dash numbers shall be -1/2@ -2@ and -4.