Relatively cheap and made entirely from waste paper. Grey-coloured and
used where appearance is not important. Contains a large amount of shive.
Usually used for tube winding, ridged boxes etc.
Types include white lined chipboard; Kraft lined chipboard; mottled
(white) chipboard; test lined chipboard. Test liner contains a mixture of
virgin fibre and recycled waste board.
Produced from unbleached straw pulp by light chemical treatment.
Digestion is usually with slaked lime (calcium hydroxide). Its applications
include envelope-backing postal stiffener material, boards for
hardback books etc.
Made completely from chemical woodpulp, sometimes on an inverform type
machine. This grade can be uncoated or coated depending on the end application.
Uncoated grades might be used for food packaging. Coated grades
might be used for paperback covers, brochures, greeting cards etc.
Thicknesses generally range from 190–410 mm. Pulpboard can also be castcoated
for use with high-quality products, such as cosmetics and toiletries.
Coating is usually confined to white lined chipboard and carton boards.
The coating is carried out on the board by blade or air knife. The usual
amount of coating applied varies from 8–18g/m2. Can be used for board
games, shop displays etc.
Made in the same way as art paper except that board weights usually start