Newsprint

Newsprint is a low-cost, non-archival grade of paper predominantly used in the print production of newspapers, flyers, and other printed material intended for mass distribution. Derived from mechanical pulp production, newsprint is characterized by its lightweight, high absorbency, and relative lack of durability.

History

Newsprint's origins can be traced back to the 19th century, when the demand for inexpensive, mass-produced newspapers led to the development of a paper type that was both affordable and suitable for high-speed press printing. The first newsprint paper was produced in 1844 by Charles Fenerty in Nova Scotia, Canada.

Production

Newsprint is typically made from wood pulp, specifically from the mechanical pulp of softwood trees such as spruce. The production process involves grinding the wood into chips, which are then mechanically or chemically pulped to separate the cellulose fibers. These fibers are then bleached and mixed with water to form a slurry, which is subsequently rolled out and dried to create sheets of newsprint.

Characteristics

Newsprint is lightweight, with a standard basis weight of 45 grams per square meter. It has a high level of absorbency, which allows for the rapid drying of ink. However, newsprint is not durable and tends to yellow and become brittle over time due to its high lignin content. This lack of longevity makes it unsuitable for documents or publications intended for long-term preservation.

Environmental Impact

The production of newsprint has significant environmental implications. While newsprint can be recycled, the deinking process can produce waste sludge that may contain toxic compounds. Additionally, the pulping process can contribute to deforestation and habitat loss. However, many newsprint manufacturers have implemented sustainable forestry practices and use recycled content to mitigate these impacts.

See Also

• Paper
• Printing press
• Pulp (paper)
• Newspaper

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  Rolls of finished newsprint at Macmillan-Bloedel Ltd in the Fraser River Valley, British Columbia, Canada