This standard specifies the technical requirements for paper-faced gypsum board (hereinafter referred to as gypsum board). This standard applies to paper-faced gypsum boards and protective cardboard for various types of deep-processed products.
GB/T 1540 Paper and board-Determination of water absorption-Cobb method
GB/T 2828.1 Inspection procedure by count sampling part 1: Lot by lot inspection sampling plan retrieved by acceptance quality limit (AQL)*, 2013-02-15 Update
GB/T 451.1 Paper and board--Determination of size and deviation
GB/T 451.2 Paper and paperboard Part 2: Quantitative determination*, 2023-12-28 Update
GB/T 451.3 Paper and board determination of thickness
GB/T 453 Paper and board determination of tensile properties-constant rate of loading methods
GB/T 459 Paper and board determination of demensional instability
GB/T 5402 Paper and board-Determination of air peremeance(medium range)-Gurley method