C1S SBS
Clay one side / Solid Bleached Sulfate

Bleached paperboard or solid bleached sulfate (SBS) is a premium paperboard grade that is produced from a furnish containing at least 80 percent virgin bleached wood pulp. Most bleached paperboard is coated with a thin layer of kaolin clay to improve its printing surface and may be also coated with polyethylene (PE) resin for wet strength food packaging.