Permabond 108 Instant Adhesive

Description

Permabond® 108 is a fast-setting, intermediate-viscosity cyanoacrylate adhesive designed for bonding plastics, rubber, and metals while accommodating small gaps. Its slightly thicker consistency allows for better control in automated dispensing systems, making it ideal for industrial manufacturing and precision bonding applications.

This single-component adhesive cures rapidly at room temperature upon contact with surface moisture. It meets MIL-SPEC MIL-A-46050C Type II, Class 3 (existing designs) and CID A-A-3097 Type II, Class 3 (new designs), ensuring compliance for military, aerospace, and industrial applications.

For customers looking for alternatives to Loctite® 415, 3M™ Scotch-Weld™ PR600, or Permatex® General Purpose Super Glue, Permabond 108 offers a strong, reliable bonding solution.

Key Features & Benefits

✅ Intermediate Viscosity for Controlled Application – Allows gap filling up to 0.25 mm (0.008 in)
✅ MIL-SPEC Compliant – Meets MIL-A-46050C Type II, Class 3 and CID A-A-3097 Type II, Class 3
✅ Fast-Setting Formula – Achieves handling strength in 10 seconds
✅ Bonds a Wide Range of Materials – Ideal for plastics, rubber, and metals
✅ High Strength & Impact Resistance – Provides durable, structural bonds
✅ Single-Part, No Mixing Required – Easy-to-use for fast production
✅ 100% Solids, Solvent-Free – Eco-friendly with no VOCs

Technical Specifications

• Viscosity: 400-600 mPa.s (intermediate viscosity)
• Gap Fill: 0.25 mm (0.008 in)
• Fixture / Handling Time:
  • Steel: 10 sec
  • Buna-N Rubber: 10 sec
  • Phenolic: 10 sec
• Full Cure Time: 24 hours
• Shear Strength (ISO 4587):
  • Steel: 20-22 N/mm² (2900-3200 psi)
  • ABS: 8 N/mm² (1160 psi)** SF
  • PVC: >10 N/mm² (>1450 psi)** SF
  • Polycarbonate: 10 N/mm² (1450 psi)** SF
• Impact Strength (ASTM D-950): 3-5 kJ/m² (1.4-2.4 ft-lb/in²)
• Temperature Range: -55°C to 82°C (-65°F to 180°F)
• Color: Clear

Applications

• Plastic, rubber, and metal bonding for industrial applications
• Gap-filling applications for close-fitting parts
• Precision bonding in automated dispensing systems
• Medical device and electronic component assembly
• Military, aerospace, and automotive manufacturing

Directions for Use

1. Ensure surfaces are clean, dry, and grease-free. Use acetone or isopropanol for best results.
2. Apply Permabond 108 sparingly to one surface only.
3. Quickly align and press components together. Apply even pressure to ensure a thin, even adhesive film.
4. Hold in place for 10 seconds until initial bond forms.
5. Allow 24 hours for full strength development.
6. For difficult or porous surfaces, use Permabond CSA or QFS 16 Activator.

🔹 Note: For bonding polypropylene, polyethylene, PTFE, or silicone, use Permabond Polyolefin Primer (POP) before applying adhesive.