What is BS 3649 – Original printing plates about?
BS 3649 standard discusses the recommendations for the original printing plates. Printing plates are used to transfer images and text onto the surface you want to print on. Whether it's printed bags, magazines, catalogues or clothing, usually some form of printing plate or printing block is used.
BS 3649 deals with the depth of etching for haft-tone and line printing plates used for direct flat-bed printing or duplication. Appendix A gives guidance on the use of these plates.
Who is BS 3649 – Original printing plates for?
BS 3649 on printing plates applies to:
- Manufacturer of printing plates
- Design engineer
Why should you use BS 3649 – Original printing plates?
Printing plates are used to transfer images and text onto the surface you want to print on. Whether it's printed bags, magazines, catalogues or clothing, usually some form of printing plate or printing block is used.
BS 3649 provides you with the method of depth measurement in which a depth measuring microscope is the only reliable instrument for the accurate measurement of the depth of etching. A depth measuring microscope with a maximum dial reading of 0.015 in (0.381 mm) is recommended for half-tones. BS 3649 also provides the quality of etching in which the profile of the relief, whether line or dot, should be etched and be similar.
Overall, BS 3649 provides you with comprehensive guidance useful throughout the process of production.
