Hiltex Semi-Products has focused exclusively on the production of collars and discs for diffusion furnace more than twenty years. Since the eighties, we’ve been a supplier to nearly all the major semiconductor producers and equipment manufacturers. Our products are simple to use and offer superior performance. They are easy to install and provide the best diffusion tube packing available.Our collars and discs are custom fabricated. With the combination of high temperature textiles and non-ceramic insulation these products can be used with diffusion furnace at process temperatures up to 1395ºC (2543ºF), with no loss of strength or flexibility.



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