GB/T 22878-2008

Active

Paper and board - Estimation of contraries

纸和纸板 杂质的估算

Standard Type
GBT
ICS
85.010
CCS
Y30
Status
Active
Issue Date
2008-12-30
Implementation
2009-09-01
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 22878-2008 specifies a method for estimating the visible contraries (such as dirt, specks, or shives) in paper and board by visual comparison with standard charts or by instrumental measurement. It is applied in the paper manufacturing industry for quality control, particularly in the production of printing, writing, and packaging grades where surface cleanliness affects appearance and performance. The standard is used during routine inspection and product acceptance testing to ensure that the level of impurities meets specified limits.

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.