The Recycled Paperboard Technical Association (RPTA) is a non-profit association that brings together the expertise of paper mills worldwide that manufacture products from at least 90 percent recovered fiber. RPTA is dedicated to the improvement of the recycled paperboard industry. RPTA member companies have been recycling recovered paper since the turn of the 20th century. This heritage of responsible resource management has forged a tradition of innovation and ingenuity that is unmatched in the paper-making industry. Serving the needs of companies engaged in producing recycled paperboard since 1953, RPTA is dedicated to the improvement of the industry through product stewardship, benchmarking, materials investigations, and education.