What is packing paper made of?

Packing paper

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[German version]

Table of contents

Product information

Product name

German Packpapier English Packing paper French Papier d&#;emballage Spanish Papel de embalar CN/HS number * 00 ff.

(* EU Combined Nomenclature/Harmonized System)

Product description

Packing paper is the generic name for various types of paper used for packaging goods. A distinction is drawn between the following types of packing paper, for example.

Kraft paper is a very high-strength packaging paper, made from unbleached or bleached sulfate pulp or equivalent fibers. Sometimes, semichemical pulp is also used in production. Due to its high strength and moisture resistance, kraftliner is used as an outer and intermediate ply, especially in corrugated board. The high strength is achieved thanks to the virgin fiber used in the production of kraftliner, which has a low recycled fiber content. Its basis weight is over 120 g/m². Testliner, like kraftliner, is used for the outer and intermediate plies of corrugated board. However, its strength is not quite as high as that of kraftliner, as it has a higher recycled fiber content. As its name would suggest, kraft sack paper is primarily used for sack/bag production. It is distinguished by elevated elasticity. Kraft tissue is the term used for kraft paper with a basis weight of below 30 g/m².

Quality / Duration of storage

Packing paper quality depends on the intended use. According to [62], packing paper is classified using the following quality features:

Tensile strength Bursting strength Crease resistance Abrasion resistance Elasticity Stiffness Printability Wet strength Water repellency Impermeability to aromas and water vapor

Intended use

Packing paper is used for packaging purposes. Kraft paper is suitable for the production of paper bags, for example, due to its strength. Kraft tissue paper is mainly used as a wrapping paper for protecting fragile goods and those with sensitive surfaces.

Packaging

Packing paper is wound ultratightly under pressure onto paperboard, metal or tube cores. It is generally transported/shipped unpackaged and merely strapped at the ends with steel strapping, although relatively thin grades of paper of 110 &#; 150 g/m² are sometimes packaged.


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Transport

Symbols

General cargo

Means of transport

Truck, ship (specially designed for transporting paper), railroad

Container transport

Transport in

Cargo handling

It is imperative that the goods be protected from moisture (rain, snow) during cargo handling, as there is a risk of losses caused by swelling and tearing of individual layers.

Incorrect cargo handling causes snagging. The risk is considerable in the event of repeated cargo handling.

Incorrect cargo handling may result in distortion of paper rolls (ovalization). Rolls exhibiting marked ovality can no longer be used for printing and have to be rewound.

Cargo handling of paper rolls should be performed only with special cargo handling gear and forklift trucks with paper roll clamps.

Stowage factor

2.85 m³/t (168 kg rolls, wrapped) [1]

Stowage space requirements

Holds must be swept absolutely clean and smooth, to prevent any possibility of damage to the ends. The goods must be protected from any possible leakage from hydraulic lines. In addition, the holds must be protected against ingress of moisture.

Segregation

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Packing paper

Cargo securing

If the rolls are loaded horizontally and incorrectly secured, the lower rolls may be distorted by pressure from the rolls arranged on top of them.



Figure 1

For this reason, rolls of paper are frequently loaded vertically. To avoid damage to the ends, care must be taken to ensure that correct dunnage and stowage are applied. The rolls may be protected with covers against damage to the ends.



Figure 2

Any spaces between the vertical rolls must be filled.

For cargo securing, see also chapter entitled

For further information see also the chapters entitled




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Risk factors and loss prevention

RF Temperature

Packing paper requires particular temperature, humidity/moisture and possibly ventilation conditions (SC VI)

Most favorable travel temperature range: 0 &#; 25°C [1]

Optimum travel temperature: 20°C


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RF Humidity/Moisture

Packing paper requires particular temperature, humidity/moisture and possibly ventilation conditions (SC VI)

Designation Humidity/water content Source Relative humidity 65 &#; 70% [1] Water content 5 &#; 9% [1] Maximum equilibrium moisture content 70% [1]

Packing paper must be protected from all moisture, such as rain, snow, condensation water, seawater.

As paper is mainly made from vegetable fibers, it is hygroscopic and has a tendency to swell. Improper storage or care of the cargo may result in dimensional changes, distortion and reduced strength (tearing).

Although packing paper is less sensitive than newsprint and rotogravure paper, rolls of it still need protection against exposure to moisture of any kind. Cargo handling operations should be stopped in the event of precipitation. Since packing paper is not generally packaged, it is advisable for the upper layers to be additionally covered with plastic film.

Damp spots are not deemed to be damage unless the rolls have burst due to swelling. The product becomes damp only through direct contact with water. This means that only the thinner types and special paper can be damaged by rain and ship/container sweat, while normal kraft paper and wet strength kraft sack paper are less sensitive.


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RF Ventilation

Packing paper requires particular temperature, humidity/moisture and possibly ventilation conditions (SC VI)

Recommended ventilation conditions: air exchange rate: 6 changes/hour (airing), if the

On voyages from cold to hot climates (Scandinavian ports, Continental ports &#; tropical unloading ports in Africa, Asia), every possible opportunity for warming the paper must be used to avoid cargo sweat.


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RF Biotic activity

This risk factor has no significant influence on the transport of this product.


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RF Gases

This risk factor has no significant influence on the transport of this product.


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RF Self-heating / Spontaneous combustion

Paper is readily combustible and should therefore be protected from flying sparks. Smoking must be strictly prohibited.

Unlike CO2, water and foam cause considerable cargo losses due to wetting and swelling when used as fire-extinguishing agents.


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RF Odor

Active behavior Packing paper does not release any odor. Passive behavior It is sensitive to unpleasant and/or pungent foreign odors.


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RF Contamination

Active behavior Packing paper is a very clean cargo. Passive behavior Packing paper is sensitive to contamination by dust, dirt, fats/oils.

Soiling damage is caused by dirty set-down surfaces during precarriage, storage, on the wharf and in the hold/container, by soiled hold or container walls and residues from earlier cargoes on the floor, walls, spar ceilings, underdeck beams or hatch cover girders.

Stow the cargo away from colorants, acids, chemicals, tar and fats/oils.

Completely smooth, swept-clean set-down surfaces are necessary, so as to prevent damage to ends, because this usually results in total loss.


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RF Mechanical influences

Paper rolls are very sensitive to mechanical influences such as pressure, impact and friction. The risk of damage is greatest during cargo handling.



Figure 3

The following types of damage occur:

Distortion: generally in the form of ovalization of the rolls, arising as a result of excessive stack pressure where rolls are stowed horizontally, since forces are borne solely by the linear bearing surface. In the case of newsprint, damage to the inner core results in interruptions in production or in problems during handling, as the rolls can no longer be lifted correctly. Slight distortion of the core may be remedied. Very oval paper rolls are no longer suitable for printing and are rejected by the receiver, thereby generally entailing total loss, or they have to be rewound, entailing rewinding costs and wasted time.



Figure 4

Telescoping of the paper rolls is caused by pneumatic cargo handling equipment, the rolls being extended in the manner of a telescope, which always results in total loss of the rolls.

Edge damage arises when laying down vertical rolls or standing up horizontal rolls, by stowing rolls of different diameters on top of one another or if overhanging roll ends are not adequately supported and by shocks or impacts sustained during cargo handling.

Tear damage: snagged layers result in considerable paper losses, as the rolls become unusable to the depth of the snag. A cut only 2.5 cm deep may result in the loss of as many as 300 layers of paper (then suitable only for use as waste paper).



Figure 5

Rolls must not rub against (chafe) each other or other items; points at risk must be padded with paper bags and air cushions or the like.


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RF Toxicity / Hazards to health

This risk factor has no significant influence on the transport of this product.


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RF Shrinkage / Shortage / Theft

The percentage loss caused by snags to rolls can be calculated according to the following formula:

S = loss in %

T = depth of damage

D = diameter of roll

d = diameter of core



Figure 6

The following table shows the outcome of damage as a percentage of roll weight with an assumed core diameter of 10 cm:

Depth of damage

[cm] Roll diameter 91 cm 95 cm 100 cm 3.0 12.91 12.37 11.76 4.0 17.02 16.31 15.52 5.0 21.02 20.17 19.19 6.0 24.94 23.93 22.79 7.0 28.75 27.61 26.30 8.0 32.47 31.19 29.74 9.0 26.08 34.69 33.09 10.0 39.60 38.10 36.36


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RF Insect infestation / Diseases

This risk factor has no significant influence on the transport of this product.


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(* EU Combined Nomenclature/Harmonized System)Packing paper is the generic name for various types of paper used for packaging goods. A distinction is drawn between the following types of packing paper, for example.Packing paper quality depends on the intended use. According to [62], packing paper is classified using the following quality features:Packing paper is used for packaging purposes. Kraft paper is suitable for the production of paper bags, for example, due to its strength. Kraft tissue paper is mainly used as a wrapping paper for protecting fragile goods and those with sensitive surfaces.Packing paper is wound ultratightly under pressure onto paperboard, metal or tube cores. It is generally transported/shipped unpackaged and merely strapped at the ends with steel strapping, although relatively thin grades of paper of 110 &#; 150 g/m² are sometimes packaged.Truck, ship (specially designed for transporting paper), railroadTransport in standard containers , subject to compliance with limits for water content of goods, packaging and flooring. For cargo securing, any spaces between the rolls must be appropriately filled.It is imperative that the goods be protected from moisture (rain, snow) during cargo handling, as there is a risk of losses caused by swelling and tearing of individual layers.Incorrect cargo handling causes snagging. The risk is considerable in the event of repeated cargo handling.Incorrect cargo handling may result in distortion of paper rolls (ovalization). Rolls exhibiting marked ovality can no longer be used for printing and have to be rewound.Cargo handling of paper rolls should be performed only with special cargo handling gear and forklift trucks with paper roll clamps.Holds must be swept absolutely clean and smooth, to prevent any possibility of damage to the ends. The goods must be protected from any possible leakage from hydraulic lines. In addition, the holds must be protected against ingress of moisture.Packing paperIf the rolls are loaded horizontally and incorrectly secured, the lower rolls may be distorted by pressure from the rolls arranged on top of them.For this reason, rolls of paper are frequently loaded vertically. To avoid damage to the ends, care must be taken to ensure that correct dunnage and stowage are applied. The rolls may be protected with covers against damage to the ends.Any spaces between the vertical rolls must be filled.For cargo securing, see also chapter entitled Paper trade in the GDV Cargo Securing Manual.For further information see also the chapters entitledPacking paper requires particular temperature, humidity/moisture and possibly ventilation conditions (SC VI) (storage climate conditions) Most favorable travel temperature range: 0 &#; 25°C [1]Optimum travel temperature: 20°CPacking paper requires particular temperature, humidity/moisture and possibly ventilation conditions (SC VI) (storage climate conditions) Packing paper must be protected from all moisture, such as rain, snow, condensation water, seawater.As paper is mainly made from vegetable fibers, it is hygroscopic and has a tendency to swell. Improper storage or care of the cargo may result in dimensional changes, distortion and reduced strength (tearing).Although packing paper is less sensitive than newsprint and rotogravure paper, rolls of it still need protection against exposure to moisture of any kind. Cargo handling operations should be stopped in the event of precipitation. Since packing paper is not generally packaged, it is advisable for the upper layers to be additionally covered with plastic film.Damp spots are not deemed to be damage unless the rolls have burst due to swelling. The product becomes damp only through direct contact with water. This means that only the thinner types and special paper can be damaged by rain and ship/container sweat, while normal kraft paper and wet strength kraft sack paper are less sensitive.Packing paper requires particular temperature, humidity/moisture and possibly ventilation conditions (SC VI) (storage climate conditions) Recommended ventilation conditions: air exchange rate: 6 changes/hour (airing), if the dew point of the external air is lower than the dew point of the hold air.On voyages from cold to hot climates (Scandinavian ports, Continental ports &#; tropical unloading ports in Africa, Asia), every possible opportunity for warming the paper must be used to avoid cargo sweat.This risk factor has no significant influence on the transport of this product.This risk factor has no significant influence on the transport of this product.Paper is readily combustible and should therefore be protected from flying sparks. Smoking must be strictly prohibited.Unlike CO, water and foam cause considerable cargo losses due to wetting and swelling when used as fire-extinguishing agents.Paper rolls are very sensitive to mechanical influences such as pressure, impact and friction. The risk of damage is greatest during cargo handling.The following types of damage occur:: generally in the form of ovalization of the rolls, arising as a result of excessive stack pressure where rolls are stowed horizontally, since forces are borne solely by the linear bearing surface. In the case of newsprint, damage to the inner core results in interruptions in production or in problems during handling, as the rolls can no longer be lifted correctly. Slight distortion of the core may be remedied. Very oval paper rolls are no longer suitable for printing and are rejected by the receiver, thereby generally entailing total loss, or they have to be rewound, entailing rewinding costs and wasted time.of the paper rolls is caused by pneumatic cargo handling equipment, the rolls being extended in the manner of a telescope, which always results in total loss of the rolls.arises when laying down vertical rolls or standing up horizontal rolls, by stowing rolls of different diameters on top of one another or if overhanging roll ends are not adequately supported and by shocks or impacts sustained during cargo handling.: snagged layers result in considerable paper losses, as the rolls become unusable to the depth of the snag. A cut only 2.5 cm deep may result in the loss of as many as 300 layers of paper (then suitable only for use as waste paper).Rolls must not rub against (chafe) each other or other items; points at risk must be padded with paper bags and air cushions or the like.This risk factor has no significant influence on the transport of this product.The percentage loss caused by snags to rolls can be calculated according to the following formula:The following table shows the outcome of damage as a percentage of roll weight with an assumed core diameter of 10 cm:This risk factor has no significant influence on the transport of this product.

What is the difference between your packing paper options?

30# Kraft Paper: The thinnest option we carry at EcoEnclose. A roll has &#; of material. This thin and pliable paper is a great option when you&#;re just trying to fill a little bit of excess air in a package to hold a product in place. Because of its flexibility, this paper is also a great protective option if you are trying to wrap a somewhat oddly shaped item (and need to wrap the packaging paper around the shape).

40# Kraft Paper: This is the industry standard! A roll has 900&#;. If you crumple it in a ball, it doesn&#;t &#;give&#; as much as 30#, so even though it is slightly more expensive than 30#, it is ultimately a more cost-effective and sustainable solution because you can use less to get the job done.

60# Kraft Paper: The thickest and sturdiest of them all! A roll has 600&#;. Our favorite part about our 60# kraft packaging is its postal approval. That means it is sturdy enough to wrap AND ship your product, allowing you to create your mailers from packaging paper. It is a great solution if you have a lot of air to fill (again, you&#;ll need less material to provide the same amount of protection and &#;give&#;) or want a solid, durable wrap for your product. It is not very pliable, though, and is more difficult to work with.

Indented Kraft Paper: This paper has ridges and bumps that add texture and a small amount of cushioning. If you just need a bit of protection and want to avoid the eco sadness of bubble wrap® and the slight operational complexity of GreenWrap, this is an excellent option for wrapping products. It makes for a sleek and aesthetically pleasing final presentation. Indented paper offers more protection than flat packaging paper. This paper has 360&#; per roll.

Newsprint Paper: A thin, 30# packaging paper option. This roll has &#;. Like the 30# Kraft packaging paper, this option is highly pliable and great for balling up to fill small pockets of air or wrapping your products (especially oddly shaped products) to provide some basic protection in transit. Unlike our eco-friendly kraft packaging paper, this option is off-white, giving it a more sleek and modern aesthetic and finish.

Bogus Paper: A relatively thick packaging option, the 50# packaging paper is made from recycled kraft paper and newsprint. This is our only 50# packaging paper option, making it thicker and more protective than our 40# kraft paper but thinner than our 60# kraft paper. It is a great option to fill in moderate air pockets. It is our only grey packaging paper option, a color that complements the branding and packaging scheme of many companies we work with.

For more paper roll packaging solutioninformation, please contact us. We will provide professional answers.