Fluted Conservation Board - 4.5mm - 10 Pack

These quality archival acid and lignin free double walled corrugated boards are made by Klug Conservation in Germany.

The board possesses very good planarity (flatness), easy processing characteristics, is breathable and ageing-resistant in accordance with the EN ISO 9706 standard.

Suitable for conservation quality backing boards used in picture framing (paintings and graphics) and displays. Also great for archival box making and folders where a strong thick board is required.

Photographic Activity Test (PAT) passed in accordance with ISO 18916:2007

FSC ® certification

Available in 2 thicknesses - 4.5mm and 5mm.

Please see individual product tabs for more details and specifics. BRD66 4.5mm thick

Flute thicknesses 3.0 and 1.5 mm, overall thickness 4.5 mm. Top ply printed light grey

Thickness: 4.5mm
Flute: EB

Colour: Light grey on outside, white in inside

Half Sheet Size: 1060 x 840mm

4.5mm Conservation Board Data Sheet

Flute Direction Image

Tolerances:

The following production tolerances are to be taken into consideration:
Quantity tolerance for paper
± 3% however a minimum of ± 5 sheets per sales unit

Quantity tolerance for board, corrugated board
± 3%

Quantity tolerance for enclosures, folders, boxes
± 8%

Weight (grammage) tolerance
± 7%

Thickness (calliper) tolerance
Paper and board up to 300 gsm ± 10%
Board >300 gsm ± 5%
Corrugated board ± 8%

Dimensional (size) tolerance for paper and board material
Sizes with plus tolerance max. ± 7 mm
Cutting tolerance 4-sided angular cut ± 2 mm

Dimensional (size) tolerance for corrugated board
Cutting tolerance ± 3 mm

Dimensional tolerance for reeled paper
Roll width ± 5 mm, running metres ± 3%

Dimensional (size) tolerance for enclosures, folders, boxes
Plus tolerance up to 5%

Dimensional (size) tolerance for envelope enclosures
Angle tolerance ± 2 mm, size tolerance ± 3 mm

Dimensional (size) tolerance for tubes
Diameter and tube wall thickness ± 0.3 mm,
lengths ± 10 mm

Perpendicularity tolerance in the case of cuttings with 4-sided angular cut
Angle tolerance 0,6% however a minimum of 3 mm
for 1 m length
Planarity tolerance for corrugated board
Planarity (flatness) tolerance ± 15 mm for 1 m length
Stippling (fiber residues and pulp impurities)
up to a diameter of 0.7 mm sporadically possible
pH tolerance
± 0.5 variation on the pH scale (pH 7.0, pH 6.5 and 7.5 are also permitted)

Resources

BRD66 Quality Guarantee

FSC® certification - products are manufactured from 100% FSC®-certified, fresh fibre cellulose. The FSC® (Forest Stewardship Council) has developed standards for sustainable forest management in line with its goal to ensure that our forests are kept alive for generations to come.