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Binding may be made of thin wood strips. It is applied along the entire edge of top and back plates. While it can provide a decorative function, the primary purpose of binding is to block the transfer of moisture by the hygroscopic end grain of the plates of the instrument. This prevents cracks in a way that purfling cannot.
Some of the different types of thermally activated binding include: Perfect binding is often used for paperback books. It is also used for magazines; National Geographic is one example of this type. Perfect bound books usually consist of various sections with a cover made from heavier paper, glued together at the spine with a strong glue.
PUR is better than hotmelt or cold glue for most applications. Because of the lack of moisture in the glue, paper with contrary grain direction can be glued without problems. Even printed and supercalendered paper can be bound without problems. It is the most economical glue, with a theoretical application thickness of 0.01 mm.
Although hot melt adhesives have been around for decades, advancements in PUR development have made it popular for applications like bookbinding, woodworking, and packaging starting in the 1950s. Since it is highly flexible and has a broad thermal setting range, PUR is perfect for bonding difficult substrates. [27]
Buckram variety swatches that can be used to cover books. Library binding can be divided into the two major categories of "original" and "after market". The original category is as it says: the book was originally bound with the idea that it would be used in a library setting where the book would receive harder use than those usual trade editions sold to the public.
Lead study author Dr. Ernest Di Maio and his colleagues cooked 160 eggs, testing the different egg-boiling techniques and observing the changes in heat throughout each of the eggs.
Actual vs. expected salaries during 2018-19 season. In 2025, a world in which Dončić is much better than he was in 2018-19 and much more popular with an NBA Finals trip, I find the notion that ...
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