Coated paper is produced by the application to a special paper of a considerable amount of coating material, which is then polished. This coating material is generally composed of clay, casein, and other materials which will impart brightness or color to the final sheet. Either a high glossy finish or a semi-dull finish may be secured, depending upon the composition of the coating material used. Both are suitable for fine, detailed cuts, and the glossy Coated gives sharpness where semi-dull Coated gives softness. Coated paper is used for the best reproduction of halftone illustrations. Good strength and folding quality are implied when the

BOOK PAPER

Bulking Table showing ihe Approximate Number of Pages Per Inch of Various Types of Papers According to the Various Weights Available

WEIGHT OF ONE REAM (500 SHEETS) 25x38

Supercalendered

Machine Finish or English Finish

Antique or Eggshell

Offset ,

GloHy Coated _

Semi-Dull Coated

4S

2 74

The weights of all Book paper, including Offset paper, are figured on the basic weight of one ream (500 sheets) size 25x38 inches. Thus, the ternn 80 lb. Book paper is the weight of one ream, size 25x38 inches. Note the headings of the columns above. Writing paper, known as Bond paper, is figured on a basis of one ream (500 sheets), size 17x22.

In using this table, it should be remembered that the figures refer to pages, not leaves or sheets. One leaf or sheet represents two pages.

GRAPHIC PRESENTATION

paper is called Folding Coated. Also Coated Offset paper has been developed and when so termed is suitable for the lithographic process.