Form:

This specification covers polyurethane (PUR) in the form of two-component sealing compounds.

Application:

This product has been used typically for contact with fuels, but usage is not limited to such applications. Each application should be considered separately. This polyurethane (PUR) has a service temperature range of -65 to +250 °F (-54 to 121 °C) with a continuous fuel service temperature range of -65 to +160 °F (-54 to +71 °C).It may be used for faying surface sealing, wet-installation of fasteners, overcoat of fasteners, sealing joints and seams and, in some cases, as a non-structural adhesive.

NOTE: The use of an adhesion promoter shall be required to obtain proper adhesion.

Classification:

Type I - For integral fuel tanks and fuel applications only.

Class B - For application by extrusion gun or spatula. Available in the following application times:

B-1/4 (solvent-free sealing compound)

Type II - For integral fuel tanks, fuel cavities, and general purpose applications

Class A - For application by brush or spray. Available in the following application times:

A-4

Class B - For application by extrusion gun or spatula. Available in the following application times:

B-1/2 (solvent-borne sealing compound)

B-1 (solvent-borne sealing compound)

Precautions:

Safety - Hazardous Materials:

Shall be in accordance with AS5502 (1.1).