Form

This specification covers types and classes of polysulfide sealing compound supplied as a two-component system suitable for application by brush, or by extrusion gun, spatula brush, or roller.

Application

This product has been used typically for sealing aircraft windshields and canopies. This includes both sealing between the windshield/canopy and the aircraft structure for pressure sealing, and sealing around the windshield/canopy for weather sealing, but usage is not limited to such applications. The sealing compound cures at room temperature and may have an accelerated cure at higher temperatures. The sealing compounds are usable from -65 to 250 °F (-54 to 121 °C).

NOTICE: Class A material is not intended for use on plastic windshields or canopies.

Types

This specification covers the following types:

Type I - Low peel strength

Type II - High peel strength

Classification

Sealing compounds are classified as follows:

Class A - Suitable for brush application. Available in the following application times:

A-1/2

A-2

Class B - Suitable for application by extrusion gun, spatula, brush, or roller. Available in the following application times:

B-1/4

B-1/2

B-2

Safety - Hazardous Materials

While the materials, methods, applications, and processes described or referenced in this specification may involve the use of hazardous materials, this specification does not address the hazards which may be involved in such use. It is the sole responsibility of the user to ensure familiarity with the safe and proper use of any hazardous materials and to take necessary precautionary measures to ensure the health and safety of all personnel involved.