Q.1017: How is watermark created in paper?
Ans. Watermark is created by impressing the raised pattern on Dandy Roll, to the wet web of paper so that localized displaced fiber produce more transparent area in the final dried sheet.
Dandy Roll with Watermark
What is the uses/advantages of watermarking?
Watermark is used for
- Brand identification
- Manufacturer's Identification
- Security purposes