Solid unbleached board
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Solid unbleached board, also known as SUB, is a grade of paperboard typically made of unbleached chemical pulp. Most often it comes with two to three layers of mineral or synthetic pigment coating on the top and one layer on the reverse side. Recycled fibres are sometimes used to replace the unbleached chemical pulp. The main end use for this type of board is for packaging of frozen or chilled food, beverage carriers, detergent, cereals, shoes, toys, and others.
Solid unbleached board, also known as SUB, is a grade of paperboard typically made of unbleached chemical pulp. Most often it comes with two to three layers of mineral or synthetic pigment coating on the top and one layer on the reverse side. Recycled fibres are sometimes used to replace the unbleached chemical pulp. The main end use for this type of board is for packaging of frozen or chilled food, beverage carriers, detergent, cereals, shoes, toys, and others.
See also
Folding boxboard Solid bleached board White lined chipboard
Further reading
Antidumping Duty Faltkarton (in German) An overview of paper and paper based food packaging materials: health safety and environmental concerns
References
Text derived from https://en.wikipedia.org/w/index.php?oldid=1332814870 under CC BY-SA 4.0; modifications have been made.