E-Flute, B -Flute and EB Flute Corrugated Conservation Boards
All Conservation boards pass the PAT Test
BRD 70 1.7mm E-Flute – sheet size: 1000 x 1720mm
BRD 74 3.0mm B-Flute – sheet size: 1620 x 1025mm
Colour: Blue/grey, with a natural white interior.
These quality archival acid and lignin free range of boards are made by Klug in Germany. Especially suitable for boxes and picture frame backings [paintings and graphics] and displays.
BRD66 4.5mm EB-Flute – sheet size: 1100 x 1720mm
Colour: Light grey, with a natural white interior.
BRD69 5.0mm EB Flute Plus – sheet size: 1200 x 1800mm
Colour: Natural (white/off-white) exterior and interior.
EB-flute Plus comprises of an EB-flute, of which the topmost ply (layer) is made of 365 g/m2 mounting and matting board, laminated onto the E-flute ply. The top side of the EB-flute Plus is of natural white colour, the reverse (underneath) side is light grey (E-flute) in colour. This board has excellent lightfastness (level 7-8) for protection against light and UV radiation. Originals can be mounted directly onto the EB-flute Plus board. An additional reinforcement board insert (backing) is not necessary.
Information & Resources
Guarantee of Quality – Klug-Quality-Guarantee
Klug PAT Test – Klugpat_test_wellpappe_2016
BRD74 – 3mm – Corrugated-board-FW-3-0-mm1
BRD70 – 1.7mm – Corrugated-board-MW-1-7-mm-1
BRD66 – 4.5mm – Corrugated-board-EF-4-5-mm
BRD69 – 5mm – Corrugated-board-EB-5-0-mm
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)