GB/T 1540-2002
ActivePaper and board--Determination of water absorption--Cobb method
纸和纸板吸水性的测定(可勃法)
Application Summary AI generated
This standard specifies the Cobb method for determining the water absorption of paper and board. It is applied in the paper manufacturing and packaging industries to evaluate the surface sizing and water resistance of materials like corrugated board and linerboard. The test is critical for quality control in products where moisture exposure affects performance, such as packaging for food or industrial goods.
Related Standards
GB/T 10335.2-2005
Coated paper and board - Light weight coated paper
GB/T 7973-2003
Paper，board and pulps--Measurement of diffuse reflectance factor(Diff/Geometry)
GB/T 10335.3-2004
Coated paper and board--Coated ivory board
GB/T 10335.4-2004
Coated paper and board--Coated folding board
GB/T 10335.1-2005
Coated paper and board-Coated art paper
GB/T 1913.1-2005
Unbleached impregnating insulating paper
GB/Z 166-2026
Paper and board—Measurement of water contact angle by optical methods
GB/T 10342-2002
Paper--Package and mark
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.