GB/T 31479-2015
Determination of colour fastness of dyed paper and board intended to come into contact with foodstuffs (English Version)
- Standard No.
- GB/T 31479-2015
- Language
- Chinese, Available in English version
- Release Date
- 2015
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB/T 31479-2015
- Scope
- This standard specifies two methods for determining the color fastness of dyed paper and board in contact with food. Method A of this standard is applicable to the determination of the color fastness of dyed paper and cardboard (such as: food packaging paper) that is in contact with food for a long time (contact time ≥ 24 h), and method B is suitable for short-term contact with food (contact time < 24 h) Determination of color fastness of dyed paper and board (e.g. napkins, kitchen paper).
GB/T 31479-2015 Referenced Document
- GB/T 251 Textiles.Tests for colour fastness.Grey scale for assessing staining
- GB/T 450 Paper and board.Sampling for testing and identification of machine and cross direction,wire side and felt side
- GB/T 461.1 Paper and board determination of capillary rise-Klemm methods
GB/T 31479-2015 history
- 2015 GB/T 31479-2015 Determination of colour fastness of dyed paper and board intended to come into contact with foodstuffs
