PPG PS870C-12 (1-ea-S654)
Total Available Stock: 48
Information
Additional Product Information
Overview
P/S 870 Class C (PS870C 12) is a corrosion inhibitive, two part manganese dioxide cured polysulfide sealant designed for fuselage and roller/faying surface sealing. It maintains excellent elastomeric properties across a broad temperature range and provides a reliable corrosion barrier on aerospace alloys.
Key Technical Specs
- Temperature Range: 65 F ( 54 C) to 250 F (121 C), intermittent to 275 F (135 C)
- Mix Ratio (A:B by weight): 17:100
- Ultimate Hardness: ~50 Shore A
- Tensile Strength: ~250 psi (standard cure, 14 days)
- Elongation: ~250%
- Low Temp Flexibility: No cracking at 65 F ( 54 C)
- Hydrocarbon Resistance: Excellent after 7 days @ 140 F (60 C)
- Salt Spray Resistance: 670 hrs ASTM B117, no corrosion or sealant deterioration
- Lap Shear Strength: 232 250 psi depending on substrate and conditions
Typical Applications
- Fuselage sealing
- Roller and faying surface sealing
- OEM assembly and maintenance sealing
- Applications on anodized aluminum, titanium, and aerospace alloys
Surface Preparation
Clean surfaces thoroughly with approved solvents and lint free cloths. Remove all dirt, grease, or processing lubricants. Dry surfaces completely before application to prevent contamination.
Mixing Instructions
Mix Part A and Part B separately to uniformity, then combine per the specified ratio. Blend thoroughly to avoid unmixed areas. Apply using a spatula or extrusion gun.
Packing Options
Supplied in two part kits and Semco cartridges.
Storage Life
Minimum 6 months when stored below 80 F (27 C) in original, unopened containers.
Notes
- Adhesion may vary depending on substrate composition; testing is recommended.
- Results may vary slightly due to environmental or processing conditions.
- For industrial use only; follow MSDS safety precautions.
Restrictions
Recommended Alternatives
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Shipping Information
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