A tightly closing folder type, wraparound box especially suitable for heavy books. The interior surfaces of the box are smooth and additional stability is achieved with a double-walled construction.
The following production tolerances are to be taken into consideration:Quantity tolerance for paper± 3% however a minimum of ± 5 sheets per quantity (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 materialSizes with plus tolerance max. ± 7 mmCutting tolerance 4-sided angular cut ± 2 mm
Dimensional (size) tolerance for corrugated boardCutting tolerance ± 3 mm
Dimensional tolerance for reeled paperRoll width ± 5 mm, running metres ± 3%
Dimensional (size) tolerance for enclosures, folders, boxesPlus tolerance up to 5%
Dimensional (size) tolerance for envelope enclosuresAngle tolerance ± 2 mm, size tolerance ± 3 mm
Dimensional (size) tolerance for tubesDiameter and tube wall thickness ± 0.3 mm,lengths ± 10 mm
Perpendicularity tolerance in the case of cuttings with 4-sided angular cutAngle tolerance 3% however a minimum of 2 mmfor 1 m length
pH tolerance± 0.5 variation on the pH scale (pH 7.0, pH 6.5 and 7.5 are also permitted)
Deviating tolerances are to be agreed upon separately.
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