Grey board may feel like it and color hardcover box factory are not related, because everybody impression, do a lot of watches hardcover box manufacturer they used material should be of high quality white paper board, they don't like soft hardness, stiffness of the grey board and easy deformation, but a specification is higher, the thickness of the thick grey board will not only be color hardcover box factory, Will also be necklace hardcover box manufacturers, in fact, a lot of times this kind of high quality, high thickness of grey board, they will infinitely close to the stiffness of the hardness of grey, white, grey, black, white board paper within these materials, and so have advantages of grey board, is cheap, of course, high quality of grey board must be more expensive than low levels of grey board, But it will not rise as high as the inner material of the white board, grey and white.

If use grey board, color itself, hardcover box factory processing difficulty will not become larger, and even affect the quality of the finished product box, this discrimination should be more rest assured of that, because the material is grey board level raised, for his ability to printing, the internal air retention and pasting after drying, extrusion deformation situation will be improved accordingly, most of the time, Grey board everyone is seen, hard squeeze, you will see there is a obvious became flat, the formal because of grey board inside, due to transportation, warehousing, he would have air to enter, and low quality of grey board itself, there is no high density, air into the condition is particularly severe, this kind of circumstance, to custom-made gift hardcover box, That is really slippery world of grand keystroke, hot stamping off, laminating foam, and from the inside of the material from the bubble, this is very likely to happen.