Transfer of fluorescent whitening agents from paper or board (EN 648)
Determination of the speed of transfer of optical brightening agents (OBAs) from paper and board. The test is performed against UV light to provide a rating for the bleeding of the OBAs. The test is relevant for optically brightened paper and paperboard but also for paper and board with recycled fibers, especially if they are intended for food contact.
Food contact materials
Paper and board- Suitable sample matrices
- Paper and board
- Typical turnaround time
- 3 weeks after receiving the samples
- Quality system
- Accredited test method
- Standard
- Method expert
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