Also known as yellow cardboard or horse manure paper, it is yellow packaging cardboard. Mainly used for packaging goods, making cartons and books.

Cover the lining. The ration is 200g/m2 to 860g/m2. Commonly used are No.8 420g, 10 530g, 12 640g.

Straw cardboard requires dense and firm quality, smooth paper surface and certain mechanical strength and toughness.

offset paper

Formerly known as "Dowling Paper", offset press is used for books and periodicals. Suitable for printing monochrome or multicolor book covers, texts and inserts.

Inside pages, pictorial, maps, posters, color trademarks and various packaging products. Offset printing paper is divided into special number, 1 number and No.2, and the quantity starts from 70 sheets.

G/m2 to150g/m2. Pulp has high strength and printability. Offset printing is a relatively advanced book printing.

Paper requires high contrast, expansion rate and surface strength, and its acidity and alkalinity are close to neutral or weakly alkaline, which will not affect printing.

The paper used has a basis weight of 40g/m2 to 80g/m2. In recent years, a small amount of offset newsprint and offset printing have been successfully trial-produced.

Offset printing paper and book paper.

binding board

The important materials of book boxes are white cardboard and yellow cardboard, which are mainly used to make hardcover book boxes and envelopes. untrue

The invention has the advantages of firmness, beauty and long-term storage.

printing ink

Commonly known as white newspaper, it is characterized by softness, porosity, certain institutional strength and good absorption, which can make ink penetrate in a short time.

By fixing, it will not stick dirty when folded, and it is used to print newspapers, periodicals and general books on high-speed rotating machines. The basis weight of newsprint is 5 1.

G/m2, the width of the rolled newsprint is 1572mm, 1562mm, 787mm, 781mm; Lithographic paper format ruler

Inch is 787 mm w1092 mm. Newsprint has strong adaptability and opacity, but its whiteness is low and its surface finish is different, so it prints pictures.

Use coarse mesh, which is easy to turn yellow and brittle after sun exposure, and should not be stored for a long time.

China painting and calligraphy paper

It is paper written and painted with a brush, including meta-book paper, rice paper, wrinkled paper and so on. Yuanshu paper is made of bamboo, bark,

Using plant fibers such as rags, old hemp and rice straw as raw materials, paper pulp is made by soaking, cooking, natural bleaching and grinding, which has been used manually.

Paper is made on the bamboo curtain and pressed against the fire wall to dry. The paper is white (or yellowish), even, soft and easy.

It absorbs ink for a long time. Xuan paper is a kind of calligraphy and painting paper made of sandalwood bark and a small amount of straw pulp.

Xuan paper is suitable for freehand brushwork and calligraphy, and cooked Xuan paper made of it is suitable for meticulous painting, which is white, flexible, durable and not easy to be eaten by insects.

Moth. It is famous for its production in Xuancheng, Anhui. Fringe paper is a kind of paper written with a brush made of tender bamboo, and its color is light yellow.

Shi Lian paper is white. They are all made of bamboo curtains. They are used to print ancient books, rubbings, stationery and fans.