Packaging printing is now a relatively common existence, and printing is one of the four great inventions of our country, which has far-reaching significance. The printing paper used is also constantly evolving with the progress of society.
Let’s take a look at the paper commonly used in packaging and printing now:
1. Copy paper:
That is to say, copy paper, mainly for printing multiple sheets. Suitable for copying and typing. Because the copy paper is translucent, in books and periodicals, it is mainly used for cover pages with portrait pages bound with words.
2. Letterpress printing paper:
The packaging is available in rolls and flat sheets. The product number is divided into three types: special number, number one and number two. No. 1 and No. 1 are mainly tall and noble books, and No. 2 is mainly used for general books, textbooks, and periodicals.
3. Book cover paper:
Quantity is 80-120 grams, mainly used for book cover. Cover paper is available in a variety of colors to meet the requirements of different covers.
4. Coated paper:
Coated paper is made by coating a layer of coating liquid on the base paper and calendering. The basis weight is 90-250 grams, and there are double-sided coated paper and single-sided coated paper. There are three types of product numbers: special, number one, and number two.
5. Dictionary paper:
Divided into No. 1 and No. 2, the quantitative amount is 25-50 grams, mainly used for printing dictionaries and manuals. Dictionary paper is highly hygroscopic and will wrinkle when slightly damp.
6. Newsprint:
Also known as white newspaper, the packaging form is also divided into roll and lithographic. The weight of newsprint is about 51 grams, which is mainly used for newspapers and periodicals.
Packaging printing bid farewell to the previous simple, single element, with colorful and diverse forms, and the evolution of paper is also indispensable.
