These quality archival acid and lignin free boards are made by Klug Conservation in Germany.
Suitable picture frame backings (paintings and graphics) and displays.
Available in 2 thicknesses - 4.5mm and 5mm.
Sheet Size: 1100 x 1720mm
Colour: Light grey on outside, white in inside
Sheet Size: 1200 x 1800mm
Colour: Natural white on outside, white in inside
The following production tolerances are to be taken into consideration:
Quantity tolerance for board, corrugated board ± 3 %
Weight (grammage) tolerance ± 5 %
Thickness (calliper) tolerance – Corrugated board ± 8 %
Dimensional (size) tolerance for corrugated board – Cutting tolerance ± 3 mm
Perendicularity tolerance in the case of cuttings with 4-sided angular cut
Angle tolerance 3% however a minimum of 2 mm for 1 m length
pH tolerance ± 0.5 variation on the pH scale (pH 7.0, pH 6.5 and 7.5 are also permitted)