Clamshell boxes KS 4
A tightly closing and finely constructed clamshell box especially designed for books and unbound loose objects. A complete foldable construction, with completely smooth interior and exterior surfaces. Produced from board materials with weights ranging from approximately 330 to 900 gsm.
Product Information
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
Spots (fibre residues and pulp impurities)
Spots with a diameter of less than 0.4 mm are considered insignificant. Mounting board standard specifications stipulate that maximum two spots up to 0.9 mm in diameter each are acceptable per m²
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.
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
Spots (fibre residues and pulp impurities)
Spots with a diameter of less than 0.4 mm are considered insignificant. Mounting board standard specifications stipulate that maximum two spots up to 0.9 mm in diameter each are acceptable per m²
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.
Boxes
Clamshell boxes» KS 3» KS 3 – with fastening ribbons» KS 3 – with filing mechanism» KS 4» KS 17» KS 17 – with fastening ribbons» KS 17 – heavy-duty» KS 17 Trier» KS 17 Albertina» KS 18 Premium» KS 20 Solid boardWraparound boxesArchival boxesArchival boxes for roll storageSlipcases, shelf filesTwo-piece boxesFolded boxes for film reel storageBox configurator