GB/T 6546-2021

GB/T 20216-2006 Determination of effective residual ink GB/T 20811-2006 Waste paper recycled requirements GB/T 1539-2007 Paperboard - Determination of bursting strength GB/T 8944.1-2008 Pulps - Determination of saleable mass in lots - Part 1: Pulp baled in sheet form or pulps (such as flash-dried pulps) baled in slabs GB/T 742-2008 Fibrous raw material，Pulp，Paper and board - Determination of ash GB/T 465.1-2008 Paper and board - Determination of bursting strength after immersion in water GB/T 22365-2008 Paper and board - Determination of printing surface strength - Accelerating speed method GB/T 22363-2008 Paper and board - Determination of roughness (air leak methods) - Bendtsen method and print-surf method