How do I prep thermoplastics like ABS, PVC, Polyethylene, and Acrylic, before bonding with epoxy?

Epoxies in general will not form a strong bond to thermoplastics like ABS, PVC, Polyethylene, polypropylene, Polycarbonate, and Acrylic. A structural type of bond should not be counted on when bonding to these materials. However, a reasonably good bond can be achieved by using our GelMagic Structural Adhesive and flame treating the surface prior to bonding. 

  • Flame treat by using a propane torch and quickly waving the fame back and forth over the surface to be bonded. Do this for 30-45 seconds keeping the flame 6-8 inches from the surface, bond within 1 hour.

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