What do you mean by 80 grams of coated paper?
Letterpress paper: referred to as "letterpress paper", the product packaging in the form of "reel" and "lithography". The letterpress paper weighs 50 grams per square meter and weighs as much as 80 grams. Item number is divided into special numbers, No.1 and No. three, two kinds. Special number, No. 1 letterpress paper is used for printing advanced books, and letterpress paper two is mainly used for printing general books, textbooks and periodicals.
The book: ration is 80 - 120 grams, mainly for the use of book cover. The paper covers a variety of colors, in order to meet the needs of different printing cover.
Copper sheet paper: copper paper is coated with a coating liquid on the base paper. It is made of super pressing light. The quantity is 90 - 250 grams, and there are double sided copperplate and single side coated paper. The item number is special, No. two and No. three. Special art paper for the printing of more than 150 grams of wire mesh refined products; one art paper for the printing of 120 - 150 cable products; two art paper can print 120 grams of products below the network cable. Coated paper does not fold, and once creases occur, it is very difficult to recover.
Offset printing paper: referred to as offset paper, the quantity is 60 - 180 grams, there are double-sided offset paper and single-sided offset paper. Among them, double offset paper 70 - 120 grams, the most widely used. Double, single-sided offset paper number, have special number, No.1, two, three. Special number one double offset paper for printing advanced color offset printing products; two double offset offset paper for printing general color printing; single-sided offset paper is mainly used for printing posted posters, new year pictures.
Newsprint: also known as "white newspaper", the form of packaging also has "reel" and "lithography". Newsprint is about 51 grams, mainly for printed newspapers and periodicals.
