Permabond 943 Cyanoacrylate adhesive

Permabond 943 Cyanoacrylate is a virtually odor free alkoxyethyl adhesive that offers non-frosting, non-fogging, and 100% reactive properties. It is easy to use and requires no mixing or heat curing.

Permabond 943 Cyanoacrylate adhesive

PERMABOND® 943 is a low odour, non-fogging, nonfrosting alkoxyethyl cyanoacrylate. The reduced odour improves worker comfort. Unsightly fogging adjacent to bondlines, common with other cyanoacrylate adhesives on hot and humid days, is eliminated. The elimination of fogging improves the production rate of acceptable parts as well as their appearance. The adhesive is very stable and will
provide optimum performance for one year when refrigerated.


  • Low odour for improved worker comfort
  • Non-frosting –good aesthetic appearance
  • Ease of use – no mixing or heat cure
  • Bonds most materials
  • 100% reactive, no solvents

Typical Performance of Cured Adhesive

  • Shear strength*(ISO4587)
    • Steel 16-20 N/mm² (2300-2900 psi)
    • Aluminium 8-9 N/mm² (1200-1300 psi)
    • Zinc 8 N/mm² (1200 psi)
    • ABS >6 N/mm² (900psi) SF**
    • PC >5 N/mm² (700 psi) SF**
    • Phenolic 4 N/mm² (600psi)
  • Impact Strength (ASTM D-950)
    • 3-5 kJ/m² (1.4-2.4 ft-lb/in²)
  • Dielectric Strength(DIN 53481)
    • 25 kV/mm
  • Dielectric Constant @1MHz (DIN 53483)
    • 3
  • Hardness (ISO868)
    • 85 Shore D
  • Coefficient of thermal expansion
    • 90 x 10-6 mm/mm/°C
  • Coefficient of thermal conductivity
    • 0.1 W/(m.K)

Storage & Handling

Storage Temperature

  • 2 to 7°C (35 to 45°F)

Allow adhesive to reach room temperature before opening bottle to prevent condensation inside the bottle which can reduce shelf life.

Surface Preparation

Surfaces should be clean, dry and grease-free before applying the adhesive. Use a suitable solvent (such as acetone or isopropanol) for the degreasing of surfaces. Some metals such as aluminium, copper and its alloys will benefit from light abrasion with emery cloth (or similar), to remove the oxide layer.

Directions for Use

  1. Apply the adhesive sparingly to one surface.
  2. Bring the components together quickly and correctly aligned.
  3. Apply sufficient pressure to ensure the adhesive spreads into a thin film.
  4. Do not disturb or re-align until sufficient strength is achieved, normally in a few seconds.
  5. Any surplus adhesive can be removed with Permabond CA solvent, nitromethane or acetone.

NB: For difficult or porous surfaces using a Permabond activator is recommended. If bonding polypropylene, polyethylene, PTFE or silicone, prime first with Permabond Polyolefin Primer (POP).


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Technical Data sheet and safety data sheet

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