Posted by Hemimech on Thursday, May 17, 2007 at 16:32:53 :
In Reply to: O.T. Plastic radiator tank repair posted by David Sherman on Thursday, May 17, 2007 at 00:50:37 :
Probably a form of nylon. Check out this site. http://www.arrowheadradiator.com/Radiator_Diagnosis,_%20Repair,_%20&_%20Replacement_%20Tips.htm