Euroscatola S.p.A. works in the corrugated cardboard packaging, in the alveolar polypropylene packaging and in the expanded packaging sector; our company has been implementing, in its productive sites, its ISO 9001 Quality Management System for several years now. Thanks to the acquisition in 2013 of the Lombarda Imballi company, the Cantù plant was expanded.
Currently Euroscatola S.p.A. has a main factory of about 20.000sqm (of which 15.000 sqm are indoor) in Bregnano, and one of about 35.000 sqm (of which 20.000sqm are indoor) in Cantù. Euroscatola has also a warehouse of about 30.000sqm (of which 12.000sqm are indoor) in Lomazzo, another one of about 10.000sqm (of which 5.000sqm are indoor) in San Salvo (CH) and a further one of about 15.000sqm in Città della Pieve (PG).

Corrugated cardboard is classify according to the thickness, the type and the grammage/basis weight of the cards.

On May 17, 2019, the GIFCO Assembly approved a new technical-commercial regulation.

Cardboard can be produced with a single wave, with a double wave (improperly called triple) or with a proper triple wave.

SINGLE WAVES
– E WAVE (microwave) thickness 1,5 mm
– B WAVE (low wave) thickness 3 mm
– C WAVE (high wave) thickness 4 mm

DOUBLE WAVE (improperly called TRIPLE)
– EB WAVE (micro-triple) thickness 4,5 mm
– BC WAVE (triple) thickness 7 mm
– CC WAVE thickness 8 mm

TRIPLE WAVE
– CCH WAVE thickness 14 mm

Cover sheets are those used for the outer cover and the inner cover. They can be white or avana and are distinguished by the percentage of recycled paper contained.

Kraft: Indicated using the K in the main composition of the cardboard, is a paper mainly made of virgin paper, it’s waterproof and with little impurities. White Kraft, indicated by KB, is its white version.

Liner: Indicated using the L in the main composition of the cardboard, is a paper “in between” Kraft and Test. White Liner, indicated by LB, is its white version.

Test: indicated using the T, is a paper mainly made of recycled paper. It has many impurities and it’s not waterproof. White Test, indicated by TB, is its white version. It’s used in double or triple heavy waves cardboard as the sheet that separated the waves.

Coated paper: is a white paper and is indicated using PB or BP in the main composition of the cardboard. It has a high grammage and it is a glossy paper. It’s a very high quality product.

WAVE PAPERS
Wave papers are used to realized the internal waves of the cardboard. They are distinguished by the percentage of recycled paper contained and they can be provided only in avana color.

Semichimica: Indicated using the S in the main composition of the cardboard, is a paper mainly made of virgin paper, it’s waterproof and with little impurities.

Medium: Indicated using the M in the main composition of the cardboard, is a paper mainly made of recycled paper and it has many impurities.

Fluting: Indicated using the F in the main composition of the cardboard, is a paper totally made of recycled paper and it’s used as the sheet that separated the two waves of the double waves cardboard.

The grammage or basis weight of a paper indicated its mass per unit of area. All the types of paper, used both as cover paper or wave paper, can be classified according to their density, expressed in grams per square meter. All the different types are identified in the table below:

Common grammages/basis weights for cover papers:
G/mq 125 – 150 – 200 – 225 – 300
Cl. N° 2 – 3 – 5 – 6 – 9

Common grammages/basis weights for Semichimica and Medium:
G/mq 112 – 127 – 150 – 180
Cl. N° 2 – 4 – 6 – 9

Common grammages/basis weights for Fluting:
G/mq 110
Cl. N° 2

Grammatura del Fluting:
G/mq 110
N° di cl. 2

We can identify the composition of the cardboard based on the type of papers, the grammeges/basis weights and the waves’ type.
When we have a single wave the composition can be read this way: first of all there is the material of the outer cover, second of the waves and third of the inner cover. Then you can read the grammage/basis weight of the outer cover, wave and the inner cover. At last it’s indicated the type of the wave.
When we have a double wave the composition will start from the outer cover, the first wave, the stretched sheet, the second wave and the inner cover; The grammage/basis weight will then be shown in the same order and then we will find the type of the waves.

KMT/242/E: it is a microwave made of a Kraft of 125 gr; A Medium of 127 gr; And a Test as an inner cover of 125 gr.

Edge Crush Test (ECT) is a test method that is used to measure the cross-direction crushing of a sample of cardboard. It’s expressed in Kilonewtons per meter (kN/m) or in kg/cm according to the SI System. This data allows to compare the various corrugated cardboards according to their crush strength and is closely related to the stack resistance of the packagings made with them.

Burst test: measures the resistance to rupting of the cardboard. Bursting strength is usually quoted in kPa (or more commonly in kg/cm3). It indicates the hydrostatic pressure needed to burst a paperboard sample when it is applied uniformly across its side.

Box Compression Test (BCT): measures the cross- direction crushing of an empty cardboard box and it indicated the load that a box can carry before crushing. This data is strictly correlated with the ECT value.

Water Absorption (COBB Test): measured in gr/m2 it permits the determination of the quantity of distilled water that can be absorbed by a cardboard, subjected to a 1 cm column water pressure, in a given time. The resulting data can be very useful to decide the right way of printing (as the colors used in Flexo printing are water-based) or choose the right cardboard that can be used even in a damp environment (i.e. refrigerating cells or cellars).