PPG PS870 B1/2 Corrosion Resist Sealant

PPG PS870 B1/2 Corrosion Resistant Sealant

PPG PS870 B1/2 is a manganese dioxide cured, two-part polysulfide sealantengineered to provide durable corrosion protection on aircraft structures. Meeting therequirements of MIL-PRF-81733 Type I, it is widely used across aerospace,aviation and defence industries for sealing joints, faying surfaces and fasteners whereresistance to fuels, oils and harsh operating environments is critical. The B1/2 designationindicates an application (working) life of approximately 30 minutes.

Key Features

• Two-part polysulfide corrosion resistant sealant
• Qualified to MIL-PRF-81733, Type I
• Provides long-term protection for aluminum and aerospace alloys
• Excellent adhesion to primed and unprimed surfaces
• Flexible, durable and resistant to aviation fuels, oils and hydraulic fluids
• Application life: ~30 minutes (B1/2 grade)

Applications

• Sealing and corrosion protection of aircraft structures
• Fuel-resistant sealing of fasteners, joints and faying surfaces
• OEM and MRO aerospace and defence operations
• General purpose corrosion inhibiting sealant in critical environments

Typical Properties (Guide Values)