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Permabond 748

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PERMABOND® 748 Flexible Cyanoacrylate Adhesive

Permabond 748 is a flexible cyanoacrylate adhesive, exhibiting improved peel strengths when compared to other grades. It has excellent impact and vibration resistance and is suitable for bonding dissimilar materials which could be subject to thermal shock or thermal cycling.

748 is ideal for use on flexible or semi-porous surfaces. It can also be used to bond silicone when used in conjunction with Permabond Polyolefin Primer (POP).

 

Features and Benefit

  • Thixotropic gel
  • Flexible, soft material
  • High elongation
  • Easy to apply and dispense
  • Contains no solvent

Cyanoacrylate Directions for Use Video

Surface Preparation Directions for Use Video

Cyanoacrylate adhesives are single component adhesives that polymerize rapidly when pressed into a thin film between parts. The moisture adsorbed on the surface initiates the curing of the adhesive.  Strong bonds are developed extremely fast and on a great variety of materials. These properties make PERMABOND cyanoacrylates the ideal adhesives for high-speed production lines.

Permabond 748

 

Surface Preparation prior to bonding with Permabond 748
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 aluminum, copper and its alloys will benefit from light abrasion with emery cloth (or similar), to remove the oxide layer.

Permabond 748 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).

For more information download the Technical Data Sheet

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