GB/T 25437-2010 Coarse filtration board

GB/T 450-2002 Paper and board—Sampling for testing GB/T 450-2008 Paper and board—Sampling for testing and identification of machine and cross direction,wire side and felt side GB/T 451.1-2002 Paper and board—Determination of size and deviation GB/T 451.3-2002 Paper and board—Determination of thickness GB/T 462-2003 Paper and board—Determination of moisture content GB/T 462-2008 Paper,board and pulp—Determination of moisture content of analytical sample GB/T 462-2023 Paper, board and pulps—Determination of moisture content of analytical sample GB/T 465.1-2008 Paper and board—Determination of bursting strength after immersion in water GB/T 1539-2007 Paperboard—Determination of bursting strength GB/T 2679.14-1996 Filter paper and filterboard-Determination of maximum pore diameter GB/T 2828.1-2003 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 5009.78-2003 Method for analysis of hygienic standard of papers for food packaging GB/T 10340-2008 Paper and board—Determination of filtering rate GB/T 10342-2002 Paper—Package and mark GB/T 10739-2002 Paper, board and pulps—Standard atmosphere for conditioning and testing GB/T 10739-2023 Paper,board and pulps—Standard atmosphere for conditioning and testing GB 11680-1989 Hygienic standard of paper used for food packaging