New 370z Widebody in the process!

gsxr750 · 03-10-2012, 01:11 AM

I hope that they have not used fiberglass strainded or body filler on the transition of the ABS plastic bumpers, if they did it will not bond well, and will eventually come lose and you'll develope cracks it any areas with a large amount of that filler. The main problem with ABS plastic is that no type of 2 part fiberglass filler or even 2 part epoxy resin really bond to it, in strength tests you can actually pull either fibergass resin or 2 part epoxy resin with slight pressure from a putty knife or screw driver.

The only way you can successfully use these fillers is for small cracks or imperfections, the only way you can bound extra material to ABS plastic, is with a plastic welding process.

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03-10-2012, 01:11 AM	#11 (permalink)
gsxr750 Enthusiast Member Join Date: Jan 2012 Location: west Posts: 443 Drives: 2012 370z man. sport Rep Power: 15	I hope that they have not used fiberglass strainded or body filler on the transition of the ABS plastic bumpers, if they did it will not bond well, and will eventually come lose and you'll develope cracks it any areas with a large amount of that filler. The main problem with ABS plastic is that no type of 2 part fiberglass filler or even 2 part epoxy resin really bond to it, in strength tests you can actually pull either fibergass resin or 2 part epoxy resin with slight pressure from a putty knife or screw driver. The only way you can successfully use these fillers is for small cracks or imperfections, the only way you can bound extra material to ABS plastic, is with a plastic welding process.