MUSCATINE, IA – The HON Co. is introducing Nature Core, a natural fiber mat made for office furniture panels, as a new option on its Initiate line of office systems, according to PR Newswire. Nature Core, the first product to come to market that is a renewable replacement for fiberglass and other synthetic materials, is made by Grand Rapids, MI-based Concept Industries Inc. Nature Core is a composite of natural fiber, which is renewable and recyclable, and a small amount of synthetic stabilizer. Read more.