fire retardant infusion

CleanFiber Inc. manufactures cellulose insulation made from recycled corrugated cardboard. Its proprietary wet separation and infusion process removes contaminants and infuses an all-borate liquid fire retardant directly into the fiber walls, producing insulation with low dust and low contamination. The company operates a production facility in Buffalo, New York, and launched commercial production of certified CleanFiber insulation in 2020. It was formerly known as Ultracell Insulation.

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cellulose insulation manufacturingwet separation and infusion process