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vulcanized fiber rod
vulcanized fiber rod is a very hard, dense homogeneous material possessing a wide range of favorable properties. In its initial stage, Franklin Fibre is processed very much like a high-grade rag insulating paper, but without the addition of sizing.
It is then treated with zinc chloride, which changes the structure and converts the cotton fibers into a gelatinous material.
After all chemicals are leached out by progressively soaking in tanks, the vulcanized fiber rod is placed in heated rooms until thoroughly dry. It is then steamed and flattened under heat by hydraulic presses or rolled under pressure. After this, it is run through heated rolls to bring out surface finish. Layers of fibre can be stacked and bonded under pressure provid to become vulcanized fiber rod .