One of the most exciting new developments for the investment casting industry is the use of organic fiber. Dan Duffey and Robert Shaw (son of the inventor of the “Shaw Process”) were issued a UK Patent and three US Patents covering the use of organic fibers for use in investment casting slurries. Originally, Buntrock Industries, Inc. licensed this technology but has since purchased the three US patents. The major advantages of incorporating the fiber into an investment casting slurry are:

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