Sep 10, 2010. /Lesprom Network/. Caraustar Industries, Inc. will increase prices by $35 per ton on all uncoated recycled paperboard grades produced by its mills. The increase will be effective with orders placed on and after September 27, 2010, company said in a statement received by Lesprom Network. In a letter to customers, Caraustar pledged that its mills will continue to operate efficiently, and service customer needs effectively during this time of rising raw material costs. Caraustar Industries, Inc. manufactures 100% recycled paperboard and converted paperboard products.