Difference between revisions of "Bonded leather"

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==Leather fibres==
 
==Leather fibres==
In der [[Gerbung|Lederherstellung]] fallen beim [[Falzen]] große Mengen an Lederfasern (Falzspäne) an.  
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When [[shaving|leather is shaved]] in the [[leather production|tannery]] it produces a large amount of leather fibres.  
  
  
==Bonded leather==
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==Bonded leather - Blended leather - Leather board==
'''Lederfaserstoff''' (auch "LEFA", "Bonded Leather", "Reconstituted Leather", "Faserkunstleder" genannt) ist ein Material, welches aus Lederfasern und Bindemitteln besteht und als Rollenmaterial produziert wird. In der [[Lederherstellung|Lederproduktion]] fallen große Mengen an Schleifstaub und [[Falzen|Falzspänen]] an. Auch [[Lederzuschnitt|Verschnittreste]] aus der Lederverarbeitung werden zur LEFA-Herstellung verwendet. Material, was unter diesen Namen verkauft wird, muss einen Lederfaseranteil von mindestens 50% haben.  
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Bonded leather (also called "reconstituted leather" or "blended leather") is a material consisting of leather fibres and binders. It's produced in rolls and should have a leather fibre content of at least 50%.
  
Die lederähnlichen Eigenschaften des Materials, sein homogener Aufbau, der günstige Preis und die Verarbeitung als Bahnenmaterial machen Lederfaserstoffe interessant. LEFA ist auch eine sinnvolle Ressourcenausnutzung, da es aus Produktionsabfällen der Lederherstellung produziert wird.
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The leather-like properties of the material, its homogeneous structure, the favourable price and the ability to process it into sheets and/or rolls make the use of leather fibres attractive. Another plus point is that it is produced from waste during [[ leather production]].
  
Die Firma Salamander Bonded Leather stellt mit über 100 Mitarbeitern Lefa her. Bei der Herstellung werden [[Chromgerbung|Chrom]]-[[Falzen|Falzspäne]] und [[Pflanzlich gegerbtes Leder|pflanzlich gegerbte]] [[Lederzuschnitt|Stanzabfälle]] verarbeitet. Auf über 100 Meter langen Produktionsanlagen wird im Dreischichtbetrieb Lefa in der [[Lederdicke|Stärken]] 0,25 bis 6 Millimeter hergestellt. Die Jahresproduktion beträgt ca. 10 Tsd. Tonnen. Der Umsatz beträgt 22 Mio. Euro. ([http://www.pro-leder.de/ www.pro-leder.de] 01/2013)
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Bonded leather and leather boards are produced in [[Thickness of leather|thicknesses]] of 0.25 to 6 millimetres.  
  
  
 
<p align=center>
 
<p align=center>
[[bild:lefa.jpg|249px]]
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[[bild:lederfliesen-001.jpg|500px]]
[[bild:lederfliesen-001.jpg|252px]]
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</p>
 
</p>
 
<p align=center>
 
<p align=center>
'''''Bild 1:''' Lederfaserstoff ist i. d. R. dick und fest'' - '''''Bild 2:''' [[Lederböden, Lederfliesen, Lederplatten|Fußboden]] aus Lederfaserstoff mit [[Prägung]]''<br></p>
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Bonded leather [[Leather floors -Leather tiles - Leather panels|flooring]] with [[Embossed leather|embossing]].''<br></p>
 
<p>&nbsp;</p>
 
<p>&nbsp;</p>
  
LEFA wird hauptsächlich als Material für Absätze, Sohlen und andere nicht direkt sichtbare Komponenten von [[Lederschuhe|Schuhen]] eingesetzt. Weitere Verarbeiter sind die [[Möbelleder|Möbelindustrie]] und [[Bucheinband|Buchbindereien]]. Dort wird LEFA als Bucheinband verwendet. LEFA wird auch als [[Lederfliesen|Bodenplatten]] oder Wandverkleidungen verwendet.  
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Bonded leather is mainly used as a material for heels, soles and other non-visible components of [[leather shoes|shoes]]. Other processors are the [[leather furniture|furniture industry]] and [[Leather book cover|bookbinding]] companies. Bonded leather is used for book covers, [[Leather floors -Leather tiles - Leather panels|floor panels]] and [[Leather wallpaper|wall panels]]. In the furniture sector, leather fibres only appear at the cheap end of the market.
  
Verarbeitet dürfen solche Materialien aber nicht mit der Kennzeichnung [[Leder#Welche Materialien dürfen als Leder bezeichnet werden?|"echtes Leder"]] verkauft werden, auch wenn Echtlederfasern ein Bestandteil sind.
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However, such materials cannot be sold as "[[leather#What materials can be called leather?|genuine leather]]", even if genuine leather fibres are a component.
 
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Man unterscheidet zwei Arten von Lederfaserstoff. ''Lefa 1'' ist ein Material, das aus einer einzigen Lederfaserschicht besteht, welche durch Latex gebunden wird. Das billigere ''Lefa 2'' hingegen ist mehrschichtig und enthält nicht nur Lederfasern und Latex, sondern auch Fasern aus Holz und Zellulose. Eine Sonderform, die nur in der Schuhindustrie als elastisches Material vorkommt, ist ''Lefakork'', eine Zusammenstellung von Lederfasern, Korkschrot und Latex.
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Im Möbelbereich tauchen Lederfasern meist nur im Zusammenhang mit preiswerten Qualitäten auf.  
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<p align=center>
 
<p align=center>
[[bild:Stühle-Lefa-07.jpg|250px]]
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[[bild:Stühle-Lefa-07.jpg|500px]]
[[bild:Stühle-Lefa-05.jpg|250px]]
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</p>
 
</p>
 
<p align=center>
 
<p align=center>
''Eine Folie auf einem leicht abreißenden Faserverbund''<br></p>
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[[bild:Stühle-Lefa-05.jpg|500px]]
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</p>
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<p align=center>
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''A film on an easily tearing fibre composite.''<br></p>
 
<p>&nbsp;</p>
 
<p>&nbsp;</p>
  
Die Oberfläche besteht aus einer Folie mit einer [[Prägung|Haarporenprägung]] und das Untermaterial ist ein Fasergefüge aus aufgelösten Lederfasern, die mit einem „Kleber“ verbunden sind. Man kann ein angelöstes Materialende mit zwei Fingern ohne großen Kraftaufwand weiter reißen. Die Fasern haben nicht wie bei echtem Leder einen starken Verbund. Die Fasern „kleben“ nur aneinander und sind nicht natürlich miteinander verwachsen und haben nicht annähernd die Stabilität von [[Leder]].
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The surface consists of a film impressed with [[Leather hair pores - Hair follicles|hair pores]] and the material below is  made up of leather fibres, which are connected with a binder. The material can be torn easily with two fingers as the fibres do not have as strong a bond as real leather. The fibres "stick" only to each other and are not naturally fused together and do not have the [[leather quality|stability of leather]].
 
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==Recycled leather==
 
==Recycled leather==
In case of inexpensive offers, the description "recycled leather" appears. This sounds as if used leather objects are being processed to new products. This may be true for some [[Leather accessories|accessories]], but they are not sold as "recycled leather".
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Relatively inexpensive leather items are offered for sale with the description "recycled leather". This sounds as if used leather objects are being processed into new products. This may be true for some [[Leather accessories|accessories]], but they are not sold as "recycled leather".
  
The products sold under the name "recycled leather" or "recycling leather" are divided into two. On one hand, bonded leather products are offered, but also [[artificial leather with leather fibres on the reverse]] are offered with such terms.
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The products sold under the name "recycled leather" or "recycling leather" are divided into two: those made from bonded leather and also [[artificial leather with leather fibres on the reverse]].
  
In both cases: If the term is used without further description, it does not comply with the [[Leather#What materials can be called leather?|labeling requirements]] for leather.
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In both cases, if the term is used without further description, it does not comply with the [[Leather#What materials can be called leather?|labelling requirements]] for leather.
  
  
 
==Regenerated leather==
 
==Regenerated leather==
In the online trade the term "regenerated leather" emerges more and more often. This term is used for leather fiber materials in case of cheap upholstery, newspaper stands, bookcases and other accessories. If the term is used without further description, this term does not correspond to the [[Leather#What materials can be called leather?|labeling requirements for leather]].
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In the online trade, the term "regenerated leather" often appears. It applies to leather fibre materials used for cheap upholstery, newspaper stands, bookcases and other accessories. But, without further description, this term contravenes the [[Leather#What materials can be called leather?|labelling requirements for leather]].
 
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Im Onlinehandel taucht immer häufiger der Begriff '''"regeneriertes Leder"''' auf. Dieser Begriff wird für Lederfaserstoff bei Bezügen von preiswerten Stühlen, Zeitungsständern, Buchrücken und anderen [[Accessoires]] verwendet. Wird der Begriff ohne nähere Beschreibung verwendet, entspricht dieser nicht den [[Leder#Welche Materialien dürfen als Leder bezeichnet werden?|Kennzeichnungsvorschriften für Leder]], weil das Material zu Recht nicht als "[[Leder]]" bezeichnet werden darf.
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==[[Artificial leather with leather fibres on the reverse]]==
 
==[[Artificial leather with leather fibres on the reverse]]==
In the [[leather furniture|furniture sector]], [[imitation leather]] is also offered, where leather fibers are glued to the back in order to suggest a similarity to leather in the advertising. However, it is an [[imitation leather|artificial leather]] without leather properties.
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In the [[leather furniture|furniture sector]], [[imitation leather]] is also offered, where leather fibres are glued to the back in order to suggest a similarity to leather in the advertising. However, it is [[imitation leather|artificial leather]] without leather properties.
  
  
 
<p align=center>
 
<p align=center>
[[bild:Echtes-Leder-Fasern-01.jpg|250px]]
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[[bild:Echtes-Leder-Fasern-01.jpg|500px]]
[[bild:Echtes-Leder-Fasern-07.jpg|250px]]
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</p>
 +
<p align=center>
 +
[[bild:Echtes-Leder-Fasern-07.jpg|500px]]
 
</p>
 
</p>
 
<p align=center>
 
<p align=center>
 
''Artificial leather with leather fibres glued to the reverse.''<br></p>
 
''Artificial leather with leather fibres glued to the reverse.''<br></p>
 
<p>&nbsp;</p>
 
<p>&nbsp;</p>
 
<werbebanner />
 
 
  
 
== Additional information ==
 
== Additional information ==
 
* [[Leather#What materials can be called leather?|What materials can be called leather?]]
 
* [[Leather#What materials can be called leather?|What materials can be called leather?]]
* [[Genuine leather|What is genuine leather]]
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* [[Genuine leather|What is genuine leather?]]
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* [[Leather waste]]
 
* [[Artificial leather with leather fibres on the reverse]]
 
* [[Artificial leather with leather fibres on the reverse]]
 
* [[Imitation leather]]
 
* [[Imitation leather]]

Latest revision as of 18:18, 25 January 2023

LEATHER-DICTIONARY.jpg


Leather fibres

When leather is shaved in the tannery it produces a large amount of leather fibres.


Bonded leather - Blended leather - Leather board

Bonded leather (also called "reconstituted leather" or "blended leather") is a material consisting of leather fibres and binders. It's produced in rolls and should have a leather fibre content of at least 50%.

The leather-like properties of the material, its homogeneous structure, the favourable price and the ability to process it into sheets and/or rolls make the use of leather fibres attractive. Another plus point is that it is produced from waste during leather production.

Bonded leather and leather boards are produced in thicknesses of 0.25 to 6 millimetres.


Lederfliesen-001.jpg

Bonded leather flooring with embossing.

 

Bonded leather is mainly used as a material for heels, soles and other non-visible components of shoes. Other processors are the furniture industry and bookbinding companies. Bonded leather is used for book covers, floor panels and wall panels. In the furniture sector, leather fibres only appear at the cheap end of the market.

However, such materials cannot be sold as "genuine leather", even if genuine leather fibres are a component.


Stühle-Lefa-07.jpg

Stühle-Lefa-05.jpg

A film on an easily tearing fibre composite.

 

The surface consists of a film impressed with hair pores and the material below is made up of leather fibres, which are connected with a binder. The material can be torn easily with two fingers as the fibres do not have as strong a bond as real leather. The fibres "stick" only to each other and are not naturally fused together and do not have the stability of leather.

Recycled leather

Relatively inexpensive leather items are offered for sale with the description "recycled leather". This sounds as if used leather objects are being processed into new products. This may be true for some accessories, but they are not sold as "recycled leather".

The products sold under the name "recycled leather" or "recycling leather" are divided into two: those made from bonded leather and also artificial leather with leather fibres on the reverse.

In both cases, if the term is used without further description, it does not comply with the labelling requirements for leather.


Regenerated leather

In the online trade, the term "regenerated leather" often appears. It applies to leather fibre materials used for cheap upholstery, newspaper stands, bookcases and other accessories. But, without further description, this term contravenes the labelling requirements for leather.


Artificial leather with leather fibres on the reverse

In the furniture sector, imitation leather is also offered, where leather fibres are glued to the back in order to suggest a similarity to leather in the advertising. However, it is artificial leather without leather properties.


Echtes-Leder-Fasern-01.jpg

Echtes-Leder-Fasern-07.jpg

Artificial leather with leather fibres glued to the reverse.

 

Additional information


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