This specification establishes requirements for two types and classes of a two component, low temperature curing, polysulfide, sealing compound for use as a quick-repair material for aircraft structure.

Classification:

The sealing compound shall be of the following types and classes, as specified (see 6.2).

Types:

Type I - Dichromate cure system

Type II - Manganese cure system

Classes:

Class A - Suitable for brush application

Class B - Suitable for application with extrusion gun or spatula.