On Dec 21, 2013, at 11:59 AM, Larry Alofs <lalofs@gmail.com> wrote: One of my big questions is about how to identify the type of plastic you are working on. I understand that it is important to use the same type of filler rod if needed. The one I used (wasn't mine) was about a $300.00 unit, blown-air type with the heated coil in it. Didn't seem to make any difference between the rods we used, vs the material we cut off the tank, and blended them while welding the tank back together. All the material was black so in the end, we couldn't see any difference between the two kinds of plastic. They may have been almost identical, I don't know. That welder got the material so hot that anything you pointed the nozzle at would become a thick liquid within a few seconds. Made welding the tank back together really easy. I think it took longer to cut the section out of the tank than weld it back together. bob |
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