1. Quality meaning of lift-up flaps book wholesale

The so-called offset quality refers to the comprehensive effect of the appearance characteristics of lift-up flaps book wholesale, which is mainly dominated by four aspects such as the reproduction of the tone level, color reproduction, clarity reproduction and non-uniformity. That is to say, for the quality of lift-up flaps book wholesale, as long as the above 4 aspects are checked, if these 4 aspects meet the requirements, you can consider lift-up flaps book wholesale is qualified.

Since the characteristics that govern the quality of the lift-up flaps book wholesale are a qualitative description of the print quality, these quality characteristics are abstract and must be translated into concrete characteristics. For lithographic offset products, according to different types and requirements can be divided into fine products and general products, so for different products, the quality standards of printing are also different.

2. Quality standards for lift-up flaps book wholesale

(1) Quality standards of fine products The quality standards of fine products are:

a. The overprint is accurate, and the error should be less than half of the distance between the two dots, so the more fine the product allows the smaller the error;

b. Full dot, clean and complete;

c. Uniform ink color, rich layers, strong texture, flat wear; lift-up flaps book wholesale

d. Text, lines clean, clear and complete edge;

e. No wrinkles, no grease, no ink skin, no stains on both sides.

(2) The quality standards of general products The quality standards of general products are;

a. The main part of the picture overprint accurately;

b. The dot is clear and complete;

c. Uniform color of ink, flat wear;

d. Clear and complete text and lines;

e. Printing sheet without wrinkles, no greasy, no ink skin, front and back without stains.

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