Appreciation hardcover book

Nowadays, we go into bookstores, book fairs, and bookstores. There are many types of books on the bookshelf. Various books are displayed in front of readers. Most of them are paperback books, riding books, WIRO books, paperboard books, etc., but they are the most attractive. It's still a hardcover book.
In order to meet the needs of customers in the market, there are more and more materials used in hardcover bookcases, including paper materials, fabrics, leather materials, leather materials, and PVC materials. The binding styles include string, wireless, and round Ridges, side ridges, soft leather shells, hard leather shells, WIRO hardcover books, etc. are pleasing and can not be put down. With the continuous improvement of people's pursuit of beauty, the book is not only limited to its content value, but also related to its print binding quality. Therefore, in the book that reads or makes a collection, beautiful art, solid and exquisite, and practical reading have been linked together. The appreciation of hardcover books from the following aspects: printing, appearance, text, feel
1. print
1 point version, especially the foreign-funded factory printing the same version of a number of books, no mixed version, leaving intentions text, signs and so on.
2 The front and back sides are printed without any misprints. The front and back sides are printed on the right side, and overprinting is accurate. The error is ≤ 0.2mm.
3 Printing Hue is fully compliant with the guest's provision of color reproduction. The German R410 Hue Densitometer is used. The main picture color difference is within ±3%.
4 Printed on the front and back, clipped and clipped.
5 text, pattern clear, glossy layered sense.
6 outlets are full, 5% fine nets are not lost, large points are smooth and clean, outlets increase ≤10%.
7 There are no ink bars, water bars, ink skins, dislodging words, pastes, etc.
8 No dirt, focus, ghosting, copying, flying water, scratching, flying ink, deinking, etc.
9 There is no extra corner line film mark, the layout is clean without stains, no traces of powder, etc.
2. Exterior
Founder, no stains, no flowers, no wrinkles, paste level, no blistering, no damage, ridges in the middle, the length and thickness of the plug cloth do not skew, round ridge from the circular degree is generally greater than the book The thickness of 5 to 6 mm, the spine of the spine is commensurate with the arc of the book.
3. Text
The inner liner is aligned with the three sides of the shell shell. The book block is generally smaller than the shell 3mm without skew, the spine and the book mouth are plain, the ridge does not appear trumpet, no knife, oblique, book block and hull center There is no drop in position, there is no gel penetration in the pinholes, there is no breakage in the strings, loose lines, stains, no size page, page disorder, glue height between posts and posts of 1 ~ 3mm, no glue, false glue.
4. Feel
The book has a sense of realism, and the book well has a sense of sag. The front and rear hull surfaces are 180° without noise. The false appearance of the bookcase groove and the backing paper appears.
In addition to the WIRO hardcover book, in addition to the quality of the above-mentioned binding process, the two holes must be centered, the hole is flush, no burrs, the closing position is 1mm, and the iron wire does not exceed the book block. In this way, there is no lack of simplicity in modern beauty, but also the exquisite modern craftsmanship.
In short, a good hardcover book is not accidentally obtained, the production process requires the strict quality of each process, until the final process product quality is fully qualified.