Product 3, 3V

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Product 3, 3V is a viscous black liquid obtained by dissolving a rubber mixture based on synthetic rubber in butyl acetate with the addition of captax.

Category: Semi-finished Products

Purpose: Aerospace industry

Purpose: Anti-corrosion protection

Purpose: Metal bonding

Technical specifications
Main purpose and application

Technical specifications

1. Appearance: From yellow to dark brown 2. Homogeneity: Uniform in color and consistency 3. Conditional viscosity (VZ-246 viscometer, nozzle Ø6.0 mm), s: 10–40 4. Rubber bond strength: P-56 TU 38.0051166 with St.3 steel (GOST 380): 4.1 After (24±2) h curing: – In peel, N/mm (kgf/cm), min: 2.46 (2.50) – In tension, MPa (kgf/cm²), min: 1.28 (13) 4.2 After (48±2) h curing: – In peel, N/mm (kgf/cm), min: 2.94 (3.0) 5. Peel rate: Peel of rubber P-56 TU 38.0051166 from St.3 steel (GOST 380) at (90±2)°C after (24±2) h curing, mm/s (cm/min), max: 0.05 (0.3)

Main purpose and application

Product 3 and Product 3V are components used in the production of phenolic-rubber film adhesives VK-32-200 and VK-32-200V.

Purpose in VK-32-200 and VK-32-200V films:
Bonding metals:
  • Aluminum, steel, bronze, galvanized sheet.
Aviation:
  • Manufacture of helicopter blades, replacement of rivets in aircraft structures.
Anti-corrosion protection (VK-32-200V):
  • Application of underlayers for thermal insulation coatings.