Hartsville, South Carolina based Sonoco announced that its Board of Directors has approved an $83 million investment to strengthen its uncoated recycled paperboard (URB) mill system in the United States and Canada. The majority of the investment includes transforming its Hartsville, SC, corrugated medium machine (No. 10 machine) into a state-of-the-art URB machine with annual production capacity of approximately 180,000 tons.

The new Hartsville machine will be designed with the goal of being the largest and lowest cost URB machine in the world, with the capability of producing a wide range of high-value paper grades to service Sonoco’s industrial and consumer converted products businesses and external trade customers.

Sonoco is one of the world’s leading producers of URB, with 12 mills and 20 machines in the U.S. and Canada. As a result of the Hartsville No. 10 machine conversion, Sonoco will be exiting the corrugated medium market by the end of 2021, and the expected efficiency of the converted machine will give the company the opportunity to rationalize some of the higher cost assets in its mill system.

“We are calling this investment Project Horizon, as we will be creating a much brighter future for our domestic URB mill system while resolving the volatility we have experienced as an independent producer of corrugated medium from our No. 10 machine. These investments will drive significant operating cost savings, ensure the long-term viability of our Hartsville paper mill complex and place our U.S. and Canada URB mill system into the top quartile of performance from a cost perspective,” said Howard Coker, Sonoco President and Chief Executive Officer.

The Hartsville No. 10 machine conversion will start with the development of a new recycled fiber stock prep system, which will allow the mill complex to use a wide range of low-cost mixed paper and OCC. As part of the mill system optimization program, Sonoco will also increase capacity of its Wisconsin Rapids, Wisconsin, mill.

After the full ramp up of production, the mill system investment is projected to provide approximately $24 million in annual cost savings starting in 2023, while delivering returns well above the cost of capital. Sonoco also expects to drive additional savings from supply chain optimization, along with environmental and power consumption savings.

In addition, Sonoco is permanently closing its No. 3 URB paper machine in Hartsville and its Trent Valley, Ontario, Canada, paper mill due to market conditions.


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