| abstract |
A machinable, high strength epoxy tool which is the polymeric reaction product of a mixture containing 5 to 12 weight percent of a bisphenol A epoxy, 3 to 8 weight percent of at least one polyoxypropylene amine catalyst, 60 to 85 weight percent of a mixture of no less than three different sized particulate fillers, the major portion of which is iron powder, 5 to 15 weight percent of short (<250 (my)m) glass fibers, and 0.02 to 1 weight percent of a surface active agent. |