Common types of paper used in printing factories ② Flat printing paper [Buke printing]

Common types of paper used in printing factories ② Flat printing paper [Buke printing]

Offset printing paper, also known as double adhesive paper, abbreviated as flat paper, is a commonly used type of paper in flat printing. It comes in rolls and flat sheets, with specifications of 787mm, 850nm, and 880mm. There are various quantitative specifications including 60g/m2, 70g/m2, 80g/m2, 90g/m2, 100ym2, 120g/m23, 150g/m2, and 180g/m2. Quantitative values of 120g/m3, 250g/m3, 180g/m3, etc. are commonly used for book inserts, ring liners, title pages, etc; 60g/m20g/m2 is mostly used for posters, book texts, or color inserts. Lithographic paper is divided into A grades, A and B grades are used for advanced color printing, C grade is used for general color printing, and there is also a type of single-sided flat paper mainly used for printing New Year's paintings and posters. There are several types of quantitative paper, including 40g/m2, 50g/m2, 60g/m2, 70g/m2, and 80gm2, with flat packaging and specifications of 787mm × 1092mm and 880mm × 1230mm. It is divided into three grades: A, B, and C. Flat paper is made by combining bleached chemical wood pulp with cotton pulp, bamboo pulp, dragon whisker straw pulp, etc., and applying surface glue and super calendering.

Common types of paper used in printing factories ② Flat printing paper [Buke printing]