GB/T 461.3-2005
ActivePaper and board-Determination of water absorption(immersion in water)
纸和纸板 吸水性的测定(浸水法)
Application Summary AI generated
This standard specifies a method for determining the water absorption of paper and board by measuring the increase in mass after total immersion in water. It is applied in the paper manufacturing and quality testing industries to evaluate the water resistance of products like packaging boards, filter papers, and specialty papers. The test is critical for assessing performance in wet environments, such as for corrugated boxes or liquid packaging materials.
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 10335.4-2004
Coated paper and board--Coated folding board
GB/T 10335.3-2004
Coated paper and board--Coated ivory 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 1540-2002
Paper and board--Determination of water absorption--Cobb method
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.