This is a silicone sealant.

Features:

• Black, Thixotropic
• Two Component
• Addition Cure Aerospace sealant designed as a vane potting and damping material
• BLUESIL V-612 is qualified to Pratt & Whitney engine specification PWA 404-2 and Lockheed Spec. G40.1384
  

Specifications:

• Product Type: Silicone Sealant
• Color: Beige Black
• Primary Color: Beige Black
• Physical Form: Paste
• Container Size: 1gal
• Odor: Faint
• Number of Components: 2
• Hardness: 66Shore A
• Applications: Sealing, Lubrication, Industrial Bonding