Page:Paper and Its Uses.djvu/148

From Wikisource
Jump to navigation Jump to search
This page has been validated.
132
PAPER AND ITS USES

is perforated or removed ink can be forced through the stencil, and the prints, although not always showing the broken lines of stencil work, are actually produced by stencil process. On account of the strength of long fibred papers, Japanese tissues are usually employed as the basis of stencil papers.

Stereotyping Papers.—Tissues, grey blottings, and brown papers, as used in making stereo flong, are included in this category. It is possible to obtain flong papers made on the paper machine, the three papers being made separately and brought together before the couch rolls are reached.
Strawboards.—The cheapest boards obtainable for binding and mounting purposes. Made from straw, boiled with lime and reduced to pulp, manufactured into boards of various substances. Usual sizes, 30 by 25 inches, 32 by 22 inches, the boards being made up into bundles weighing 56 lb., the weight of individual boards governing the number in a bundle, e.g., 8 oz. board, 112 to bundle, 2½ lb. 22 in bundle, etc.
Sulphite Browns.—Brown wrapping papers made from unbleached sulphite wood pulp producing very strong papers.
Super-calendered Papers.—Term applied to printing papers which have received a high surface by passing through the super-calender rolls; but most writings, art, manilla, and coloured papers receive their finish in the same manner.
Tea Cartridges.—Generally made from chemical wood, but in some cases a mixture of rag and chemical wood is employed. Engine-sized, supplied in sheets or reels, substance equivalent to 14 to 34 lb. demy.
Ticket Boards.—Pasteboards with good white or coloured facing papers, sometimes coated, white or coloured; used by ticket writers for window tickets.
Tips.—Binders' tips are very thin millboards. Trunk makers' tips are thick, tough brown papers.

Tissues.—Fine thin papers, made of strong materials such as rag and hemp fibres, beaten very finely. Other tissues are made of chemical wood and a proportion of straw pulp. Papers are unsized, used for wrapping and