ISO brightness of paper or paperboard
The method measures the diffues blue light reflectance factor of paper and board. The method is limited to white and near white samples. The measurement is used to determine the whiteness level of paper and cardboards.
Paper and board
Surface testing- Suitable sample matrices
- White papers and cardboards
- Minimum sample amount
- Four A4 sheets
- Typical turnaround time
- 2 weeks after receiving the samples
- Quality system
- Accredited test method
- Standard
- Method expert
Questions? We're happy to help.
Questions? We're happy to help.
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