Our Wallula mill has one semi-chemical corrugating medium machine, producing over 130,000 tons annually. This machine can produce grades from 23# up to 45#.
PCA annually produces over 3.7 million tons of kraft linerboard (the outer layers of a corrugated container) and semi-chemical corrugating medium (the fluted center layer) for PCA’s own converting facilities, as well as for numerous domestic and international customers. All of PCA’s mills are Sustainable Forestry Initiative® (SFI®)-certified.
For more information on the Sustainable Forestry Initiative, please click here.