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 in the [[leather production|tannery]], large amounts of leather fibres are produced.  
  
  
 
==Bonded leather==
 
==Bonded leather==
'''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") is a material consisting of leather fibres and binders. It's produced in roll ware. Bonded leather should at least have a leather fibre content of 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 favorable price and the processing as rollware material make leather fibres interesting. It is also positive, that it is produced from [[production waste of [[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 is produced in [[Thickness of leather|thicknesses]] of 0.25 to 6 millimetres.  
  
  
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''Lederfaserstoff ist i. d. R. dick und fest. - [[Lederböden, Lederfliesen, Lederplatten|Fußboden]] aus Lederfaserstoff mit [[Prägung]].''<br></p>
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''Thick and firm bonded leather. - Bonded leather [[Leather floors -Leather tiles - Leather panels|flooring]] with [[Embossed leather|embossing]].''<br></p>
 
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<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 as a book cover. Bonded leather is also used as [[Leather floors -Leather tiles - Leather panels|floor panels]] or [[Leather wallpaper|wall panels]]. In the furniture sector, leather fibres usually only appear in connection with low-cost qualities.
  
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 with the term "[[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>
 
</p>
 
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<p align=center>
''Eine Folie auf einem leicht abreißenden Faserverbund.''<br></p>
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''A film on an easily tearing fibre composite.''<br></p>
 
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<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 with a [[Leather hair pores - Hair follicles|hair pore]] impression and the material below is a fibre structure of leather fibres, which are connected with a binder. The material can be teared with two fingers without great effort. The fibres do not have a strong bond as with 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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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.
 
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.
  
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" emerges more and more often. This term is used for leather fibre 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?|labelling requirements for leather]].
  
  
 
==[[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 an [[imitation leather|artificial leather]] without leather properties.
  
  

Revision as of 11:35, 31 January 2017

LEATHER-DICTIONARY.jpg


Leather fibres

When shaving leather in the tannery, large amounts of leather fibres are produced.


Bonded leather

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

The leather-like properties of the material, its homogeneous structure, the favorable price and the processing as rollware material make leather fibres interesting. It is also positive, that it is produced from [[production waste of leather production.

Bonded leather is produced in thicknesses of 0.25 to 6 millimetres.


249px Lederfliesen-001.jpg

Thick and firm bonded leather. - 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 as a book cover. Bonded leather is also used as floor panels or wall panels. In the furniture sector, leather fibres usually only appear in connection with low-cost qualities.

However, such materials cannot be sold with the term "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 with a hair pore impression and the material below is a fibre structure of leather fibres, which are connected with a binder. The material can be teared with two fingers without great effort. The fibres do not have a strong bond as with 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

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 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.

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" emerges more and more often. This term is used for leather fibre 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 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 an 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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