This two-part corrosion inhibitive sealant is designed for use on aluminum alloys and dissimilar metals. It cures at room temperature, forming a resilient seal with strong adhesion to aircraft substrates. The sealant maintains elastomeric properties when exposed to jet fuel and aviation gas, providing effective corrosion protection.
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WARNING: This product can expose you to chemicals including CHROMIUM (HEXAVALENT COMPOUNDS), TITANIUM DIOXIDE (AIRBORNE, UNBOUND PARTICLES OF RESPIRABLE SIZE) and TOLUENE which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Overview
P/S 870 Class B corrosion inhibitive sealant. This material acts as an effective barrier against the common causes of corrosion on the aluminum alloys or between dissimilar metals. The cured sealant maintains elastomeric properties after limited exposure to both jet fuel and aviation gas. P/S 870 Class B is a two-part, manganese dioxide cured polysulfide compound. It cures at room temperature to form a resilient sealant having excellent adhesion to common aircraft substrates.
Features & Benefits
Low temperature flexibility at -65°F (-54°C) with no cracking, checking, or loss of adhesion
Resistance to hydrocarbons for enhanced durability
Flexibility with no cracks after bending 180 degrees over a 0.125 inch (3.18 mm) mandrel
Repairable to itself, excellent for both freshly cured and fuel-aged fillets
Fungus resistant and non-nutrient
Salt spray (fog) test for 670 hrs. (ASTM B117) shows no corrosion to base substrate or deterioration of sealant
Specifications
Specifications
Series: P/S 870.
Container Size: 1 pt.
Form: Solid.
Color: Black/Beige (Part A/B).
Composition: 20 to 47% Manganese Dioxide, 20 to <50% Terphenyl, 10 to <18% Magnesium Chromate, >=1 to <=5% Polyphenyls (Quarter and Higher, Partially Hydrogenated), 1 to <5% Zeolites, 1.7% 1,3-Diphenylguanidine, 1.9% Terphenyl (Part A), >=1 to <5% Toluene, >=1 to <5% Butanone, >=10 to <=12% Calcium Carbonate, >=5 to <=10% Titanium Dioxide (Part B).
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DISCLAIMER: Product information provided “as is.” Boeing may add, change, discontinue or remove this information at any time. Product photos may not be exact match to product delivered. Seeterms & conditions.
