Bristol board

Bristol board (also referred to as Bristol paper or super white paper) is an uncoated, machine-finished paperboard. It is not named after the city of Bristol in the southwest of England but rather after Frederick Hervey, 4th Earl of Bristol, a prolific art collector. Common sizes include 22+1⁄2 in × 28+1⁄2 in (572 mm × 724 mm) and its bulk thickness is 0.006 inches (0.15 mm) or higher and A4, A3, A2 and A1. Bristol board may be rated by the number of plies it contains, basis weight, or, in Europe, by its grammage of 220 to 250 g/m2. It is normally white, but is also made in different colours.

For other uses, see Bristol (disambiguation).

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