GB/T 26459-2011

Active

Pulp, paper and board - Determination of the post color number

纸、纸板和纸浆 返黄值的测定

Standard Type
GBT
ICS
85.010
CCS
Y30
Status
Active
Issue Date
2011-05-12
Implementation
2011-09-15
Centralized Committee
中国轻工业联合会
Issuing Authority
中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

Application Summary AI generated

GB/T 26459-2011 specifies a method for measuring the post color number (also known as the brightness reversion or yellowing tendency) of pulp, paper, and board after accelerated aging. It is applied in the paper industry to evaluate the long-term color stability of products such as printing paper, packaging board, and specialty papers under heat or light exposure. This standard is used by manufacturers and quality control labs to predict how materials will resist yellowing during storage or use.

Related Standards

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.