PPG PRC-Desoto® PR-1440 Class B two-component fuel tank sealant is a two-component formulation such as part A and part B. Part A of sealant comes in liquid form, while part B of sealant comes in solid form. Part A of the filling has a boiling point of 360 degrees C. Part-A sealant has a relative density of 1.88 while part B has 1.57. The sealant has a kinematic viscosity of 0.21 square centimeters per second at 40 ° C and a specific gravity of 1.57. Service temperature range is -54 to 121 degrees C. Each 6 ounce cartridge contains 3.5 ounces of sealant.

Features:

Cures efficiently at room temperature to form a flexible sealant

Mastic is dark gray (mixed)

Application time is 2 hours and 8 hours are required for full curing

Mixing ratio of A / B component is 10: 100 by weight

Withstands 300 psi tensile strength

Benefits:

Provides aggressive adhesion to aircraft substrates

Cured sealant retains outstanding elastomeric properties after exposure to jet fuel and aircraft gas

APPLICATIONS:

Fillet sealing of fuel tanks

Airframe sealing applications