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GB/T 31479-2015 English PDF (GB/T31479-2015)

GB/T 31479-2015 English PDF (GB/T31479-2015)

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GB/T 31479-2015: Determination of colour fastness of dyed paper and board intended to come into contact with foodstuffs

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Scope

This Standard specifies the two methods for determination of colour fastness of dyed
paper and board intended to come into contact with foodstuffs.
Method A in this Standard is applicable to the determination of colour fastness of dyed
paper and board (such as food packaging paper) intended to come into long-term
contact (contact time≥24h) with foodstuffs; while Method B is applicable to the
determination of colour fastness of dyed paper and board (such as napkins, and
kitchen paper) intended to come into short-term contact (contact time < 24h) with
foodstuffs.

Basic Data

Standard ID GB/T 31479-2015 (GB/T31479-2015)
Description (Translated English) Determination of colour fastness of dyed paper and board intended to come into contact with foodstuffs
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard Y30
Classification of International Standard 85-010
Word Count Estimation 7,792
Date of Issue 2015-05-15
Date of Implementation 2015-12-01
Quoted Standard GB/T 251; GB/T 450; GB/T 461.1
Regulation (derived from) National Standard Announcement 2015 No. 15
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This Standard specifies two methods for the determination of food contact paper and board dye color fastness. A method of this standard applies to food prolonged contact (contact time ��24h) of dyed paper and board - Determination of color fastness (eg: food packaging), Method B is suitable for use in contact (contact time <24h and food short) of dyed paper and board - Determination of color fastness (such as: napkins, kitchen towels).


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