PPG Aerospace/PRC DeSoto® Class B Fuel Tank Sealant Dark Gray 6 Oz 654 Semkit PR1440B2

PPG PRC-Desoto® PR-1440 Class B (2 hour application life) two-part fuel tank sealant is a two-component formulation such as part-A and part-B. Part-A of sealant comes in a liquid form while part-B of sealant comes in a solid form. The part-A of sealant has a boiling point of 360 degrees C. Relative density of part-A sealant is 1.88 while part-B possesses 1.57. The sealant has a kinematic viscosity of 0.21 square centimeters per second at 40 degrees C and a specific gravity of 1.57. It has a service temperature range of -54 to 121 degrees C. Each 6 ounce cartridge contains 3.5 ounces of sealant.

Features:

• Efficiently cures at room temperature to form a resilient sealant
• Sealant is dark gray in color (mixed)
• Application time of 2 hours and requires 8 hours for complete curing
• Mixing ratio of part-A/B is 10:100 by weight
• Withstands a tensile strength of 300 psi

Benefits:

• Offers aggressive adhesion to aircraft substrates
• Cured sealant maintains outstanding elastomeric properties after expose to jet fuel and aviation gas

Applications:

• Fillet sealing of fuel tanks
• Aircraft fuselage sealing applications