Views: 900 Author: Cara Gao Publish Time: 2023-07-29 Origin: Site
Woodfree Offset Paper is mainly used for lithographic (offset) printing presses or other printing presses to print higher-level color prints. It is suitable for printing single-color or multi-color book covers, texts, inserts, pictorials, Paper for maps, posters, color labels and various packaging. Offset paper, also known as offset printing paper, is a relatively high-grade printing paper, which is generally used for offset printing machines for book printing or color printing. Offset paper is divided into single-sided offset paper and double-sided offset paper, as well as super calendered and ordinary calendered.
Offset printing is a relatively advanced printing paper for books and periodicals. It has high requirements for contrast, stretching rate and surface strength. The acidity and alkalinity should also be close to neutral or slightly alkaline, so as not to affect the printing paper. It has uniform ink absorption, good smoothness, tight opaque texture, good whiteness, and strong water resistance. Conjunctival offset printing inks and better quality printing inks should be selected.
The characteristics of offset paper, offset paper and its use. Offset paper, also known as offset printing paper, is a relatively high-grade printing paper, which is generally used for offset printing machines for book printing or color printing. Offset paper is divided into single-sided offset paper and double-sided offset paper, and there are super calendered and ordinary calendered.
Offset Paper and Coated Paper Different
1. Different weight:
The weight range of offset paper is generally between 60-120 grams; while that of coated paper is generally between 100 grams and 450 grams. Therefore, in terms of the weight of the two commonly used papers, coated paper is heavier than double-adhesive paper.
2. Different appearance:
Offset paper is a low-density fiber paper, which is generally made of low-value raw materials such as straw pulp, which is relatively easy to damage, and has no particularly high requirements for the flatness and whiteness of the paper; while coated paper is a high-density paper. High-value raw materials such as cotton and bark are used, and they are relatively not easy to damage. In addition, coated paper has relatively high requirements for flatness and whiteness, and it will look smoother and whiter.
3. Different uses:
Offset paper is a commonly used paper, which is generally used for printing textbooks and books; while coated paper is mainly used for printing color inner pages of magazines, advertisements, packaging, etc.
From 2018 to 2023, the compound growth rate of offset paper production capacity in my country will be 3.9%. In terms of stages, the production capacity of offset paper shows an overall trend of steady increase. From 2018 to 2020, the offset paper industry is in a mature stage, the growth rate of production capacity is not high, the industry's profitability is gradually shrinking, and the competition in the same industry is intensifying. From 2020 to 2023, the production capacity of offset paper will increase slightly, and most of the new production capacity in the industry is the expansion of production capacity of large-scale paper companies. As of 2023, my country's double offset paper production capacity will be 14.12 million tons, and the output will be 8.62 million tons.
Introduction to Common Specifications
Super white color:55gsm,60gsm,70gsm,75gsm,80gsm,90gsm,100gsm,120gsm
Nature white color:68gsm,78gsm,98gsm
Cream/Ivory color: 68gsm,78gsm,98gsm,128gsm
20x30", 24x36",31x43” etc
Roll width:500mm,600mm,650mm,700mm,750mm,810mm,900mm etc
Sheet:125/250/500sheets/ream by kraft paper then on pallet
Roll:rolls good wrapped on pallets
Uses Of Woodfree Offset Paper
60gsm: has a very low weight and is very economical. It is one of the most widely used weights. It is a good choice by many magazines, publishing houses, printing houses and processing plants. Applicable printing methods: rotary printing, sheet printing.
70gsm: with ideal cost performance, is widely used in advanced books, textbooks and teaching materials. Applicable printing methods: rotary printing, sheet printing.
80gsm: giving people a high-end and luxurious feeling. gummed paper. Applicable printing methods: rotary printing, sheet printing.
100gsm: suitable for high-end albums, pictures, magazines and other printed matter with higher quality requirements, high-end book inner pages, calendars, posters and other promotional materials.
120gsm: certificates, envelope paper, notebook paper, inside pages of corporate albums, leaflets, birthday cards, office paper, drawing paper, notepads, journal cardboard, special paper for this book, special paper for magazines, meals Plate pads, food pads, chopsticks sets, etc.
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