Dowling name should be" offset printing paper " , is designed for offset printing paper, letterpress printing also apply because the offset printing technology is more complicated.
Therefore, the requirements for printing paper is high. Offset printing paper is generally used bleached chemical pulp , bamboo , rags, straw pulp and papermaking , need to be more appropriate filler and Mortar, scooped the Fourdrinier machine Offset printing paper include two kinds of double-sided and single-sided , double-sided paper is divided into special number ( the so-called "heavy " ) , number one and number two.It used in the past mainly for printing calender and decorating,Good books, magazines , art picture card , book cover etc. ; single-sided paper divided number one and number two, mainly for the printing of posters, paintings, Figure,Tablets.
Before the founding of New China , China's paper industry backward, better paper mostly imported . Dowling was the UK Paper Co., Ltd. in Hong Kong that it distribute the wood-free printed paper into china, people called it " Dowling " good quality plain white printing paper and even the sale of this company is also known.
Offset is too common in our daily use of a paper , for example, there 60g/80g/100g commonly used copy paper , the job of the inner pages and so on. Also known as Dowling , English is : wood-free printed paper. Offset refers to the printing paper , also called offset paper . Refers to the plastic material in the papermaking process.Paper coated on both sides to improve their surface properties of paper. Quantitative general Offset between 60 grams to 120 grams , also has high weight of 150 grams offset paper .