Difference between revisions of "Leather batch"

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(Created page with "<p align=center> 300px </p> In der Gerberei durchläuft das Leder in '''Partien''' den Gerb- und Färbeprozess. Da nur ein...")
 
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In der [[Gerberei]] durchläuft das Leder in '''Partien''' den Gerb- und [[Zurichtung|Färbeprozess]]. Da nur eine bestimmte Menge von Lederhäuten in ein [[Gerbfass]] passt, werden die passenden Mengen zu einer '''Partie''' zusammengefasst und durchlaufen alle Prozesse gemeinsam. Eine Partie umfasst meist 50 - 100 Lederhäute. Es kann daher davon ausgegangen werden, dass die Leder einer Partie sehr ähnlich sind.  
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In the [[tannery]], the leather goes through the [[leather production|tanning and dyeing process]] in batches. Since only a certain amount of leather skins fits into a [[tanning leather#Tanning drum|tanning drum]], the appropriate quantities are combined into a batch and go through all the processes together. A lot usually contains 50 - 100 [[Hide - Skin|skins]]. It can therefore be assumed that the leather of one batch are very similar.
  
Insbesondere bei Ledern, wo eine exakte Gleichheit nicht möglich ist, weichen von Partie zu Partie voneinander ab. Man spricht dann auch von Chargenabweichungen. Das betrifft z.B. [[Fettleder]] oder [[Anilinleder]]. Je nach Partie können diese am Ende unterschiedlich sein. [[Lederhändler]], die solche Leder im Programm haben, müssen Kunden diese Abweichungen ausführlich erklären und darauf hinweisen, damit es nicht zu Missverständnissen kommt. Am Besten sind zwei maximal abweichende Muster. Dann sieht der Kunde, welche Varianz die Chargenabweichungen haben.  
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In case of leathers, where an exact equality is not possible, there are differences from batch to batch. This is also referred to as "batch deviations". [[Pull up leather - Greased leather - Waxed leather - Oiled leather|Pull up leather]] or [[aniline leather]] is not easy to be produced always with same appearance. Depending on the lot, they may differ in the end. Leather traders who have such leathers in their program must explain these deviations clearly to the customer so that this does do not lead to misunderstandings. The best is to show two maximally different leather sampes. The customer then sees which variance the batch deviations have.
  
  
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''[[Lederqualität|Prüfung]] der Farbgenauigkeit von Leder mit dem [[Lederqualität#Testmethoden|Graumaßstab]].''<br></p>
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''[[leather quality|Examination]] of the colour accuracy of leather with the grey scale.''<br></p>
 
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Oft wird vom Käufer vermutet, dass die [[Lederqualität|Qualität]] nicht in Ordnung sei, wenn Abweichungen bei Nachlieferungen vorkommen. Für Lederunkundige ist das auch verständlich. Fachleute wissen, wie stark Unterschiede bei manchen [[Lederarten]] sein können. Innerhalb einer Partie und von Partie zu Partie. In Streitfällen können dann nur fachkundige [[Gutachter für Leder|Ledergutachter]] ein Urteil abgeben, ob die Abweichung im zulässigen Rahmen ist. Für die Messung von Farb- und Helligkeitsunterschieden gibt es verschiedene [[Lederqualität#Testmethoden|Messmethoden]].  
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Often, the buyer presumes that the quality is not sufficient, if deviations occur on a second delivery. For [[Leather expert - Leather consultant|leather specialists]], this is understandable. Only experts know how strong differences can be in some [[Types of leather|leather types]]. Within a batch and from batch to batch. In the case of disputes, only qualified auditors can then decide whether the deviation is permissible or not. Various [[leather quality|measurement methods]] are available for measuring colour and brightness differences.
  
  
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''Nur eine bestimmte Anzahl von Häuten kann immer gemeinsam bearbeitet werden.''<br></p>
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''Only a certain number of hides can always be processed together.''<br></p>
 
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Die [[Autoleder|Autohersteller]] haben die höchsten Anspruch an die Gleichheit der [[Lederfarbe|Farben]], [[Narbung|Narbenstrukturen]] und [[Lederqualität|Qualität]]. Aber auch hier kann es zu leichten Farbunterschieden kommen.  
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The [[car leather|car manufacturer]] have the highest demand for the equality of [[leather colour|colours]], [[Leather grain - Grain side|grain structures]] and [[leather quality|quality]]. But even here, slight colour differences can occur.
  
  
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''Auch ein [[Autoleder#BMW|BMW]] "schwarz" der gleichen Lederart ist nicht immer 100% identisch''<br></p>
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''Even car leather of [[car leather#BMW|BMW]] in "black"The of same type of leather is not always 100% identical.''<br></p>
 
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Je [[Offenporige Leder|offener]] und [[Anilinleder|natürlicher]] die Leder werden, desto stärker können dann die Unterschiede sein.  
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The more [[Porous leather|porous]] and [[aniline leather|natural]] leather is, the more the differences can be.  
  
  
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''Narbung und Glanz sind abweichend.''<br></p>
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''[[Leather grain - Grain side|Grain]] and [[Gloss of leather|gloss]] differ.''<br></p>
 
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Bei diesen Fällen hatten die Kunden "[[Vintage Leder]] als [[Seminubuk]] oder [[Pull-Up-Leder]] erworben und hatten entweder nur eine Version als Muster gesehen und die Abweichung bei Erhalt der fertigen Möbel festgestellt oder Teile nachgekauft, die nicht zur ersten Lieferung passten.  
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In the cases of the following photos, the customers had purchased [[vintage leather]] as [[semi-nubuck]] or [[Pull up leather - Greased leather - Waxed leather - Oiled leather|pull-up leather]] and had either only seen one version as a pattern and had noticed the deviation when the furniture was purchased or when they received furniture parts, which were deliverd later.
  
In solchen Fällen hätte aufmerksamer beraten werden müssen und mit Fotos oder Mustern verglichen werden müssen. Oft findet diese wichtige Kommunikation, die aber möglich wäre, nicht statt. Schon die Gerberei sollte im Idealfall den Lederhändler auf die mögliche Varianz der Partien hinweisen. Auch der erfahrene Lederhändler müsste seine Kunden auf die Chargenunterschiede hinweisen. Idealerweise mit Mustern, die die Varianz gut darstellen.  
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In such cases, a better advising with photos or patterns could have helped causing misunderstandings. Often, this important communication, which would be possible, does not take place. Even the [[tannery]] should ideally point the [[leather dealer]] to the possible variance of the batches. Also the experienced [[Leather dealer|leather trader]] would have to point out his customers differences in batches. Ideally with patterns that represent well the maximum variance.
  
Möchte ein Kunde Möbel nachkaufen, sollte der Möbelhändler Fotos und Muster zum Hersteller senden, damit man möglichst nahe am Kundenwunsch bleibt. Reicht das nicht, muss der Hersteller noch mal Muster zum Kunden schicken, die er auf die schon vorhandenen Möbel legen kann.  
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If a customer wants to buy additional furniture, the furniture dealer should send photos and samples to the manufacturer, so that one remains as close to the customers leather as possible. If this is not enough, the manufacturer has to send samples to the customer, which he can put on the existing furniture to compare. This is complex and expensive, but still better than a complaint, which is annoying for everyone and also expensive.
 
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Das ist zwar aufwändig, aber immer noch besser, als eine Reklamation, die für alle ärgerlich ist und teuer werden kann.
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''Stark abweichende Partie beim Nachkauf von Möbeln. Selbst für Fachleute eine starke Chargenabweichung.''<br></p>
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''Strong deviaton of leather on later bought furniture. Even for professionals a strong batch deviation.''<br></p>
 
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''Unterschied Ledermuster im Möbelhaus zu angelieferten Möbeln. Für den Lederfachmann noch absolut im Rahmen.''<br></p>
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''Difference of leather pattern in the furniture house to delivered furniture. For the leather specialist still in the allowed range.''<br></p>
 
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''Nachkauf eines [[Pull-Up-Leder|geölten Nubuks]] mit Hinweis "Robuste Optik" und der Vielfalt des Ausfalls der Optik im Online-Shop. Daher noch im Rahmen zulässiger Chargenabweichungen bei Leder.''<br></p>
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''Additinal bought [[Pull up leather - Greased leather - Waxed leather - Oiled leather|oiled nubuck]] with mentioning the variation of the look in the online shop. Therefore, still within the scope of permissible batch variances in leather.''<br></p>
 
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== Additional information ==
 
== Additional information ==
* [[Lederqualität]]
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* [[Leather quality]]
* [[Lederhändler]]
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* [[Leather dealer]]
* [[Abschnitte der Tierhaut]]
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* [[Parts of the hide]]
 
<br>
 
<br>
* [[Vintage Leder]]
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* [[Vintage leather]]
* [[Pull-Up-Leder]]
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* [[Pull up leather - Greased leather - Waxed leather - Oiled leather]]
* [[Seminubuk]]
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* [[Semi-nubuck]]
  
  
<p align=center>
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<logoplustext />
[[bild:Colourlock-GB-03.jpg|220px]]
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</p>
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<p align=center><span class="plainlinks">
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[http://www.colourlock.com WE UNDERSTAND LEATHER - WWW.COLOURLOCK.COM]
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</span></p>
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[[Kategorie:All Articles]]
 
[[Kategorie:All Articles]]
 
[[Kategorie:Leather production]]
 
[[Kategorie:Leather production]]

Revision as of 20:51, 5 February 2017

LEATHER-DICTIONARY.jpg


In the tannery, the leather goes through the tanning and dyeing process in batches. Since only a certain amount of leather skins fits into a tanning drum, the appropriate quantities are combined into a batch and go through all the processes together. A lot usually contains 50 - 100 skins. It can therefore be assumed that the leather of one batch are very similar.

In case of leathers, where an exact equality is not possible, there are differences from batch to batch. This is also referred to as "batch deviations". Pull up leather or aniline leather is not easy to be produced always with same appearance. Depending on the lot, they may differ in the end. Leather traders who have such leathers in their program must explain these deviations clearly to the customer so that this does do not lead to misunderstandings. The best is to show two maximally different leather sampes. The customer then sees which variance the batch deviations have.


Leder-Farbgenauigkeit-Graumassstab.jpg

Examination of the colour accuracy of leather with the grey scale.

 

Often, the buyer presumes that the quality is not sufficient, if deviations occur on a second delivery. For leather specialists, this is understandable. Only experts know how strong differences can be in some leather types. Within a batch and from batch to batch. In the case of disputes, only qualified auditors can then decide whether the deviation is permissible or not. Various measurement methods are available for measuring colour and brightness differences.


Gerberei-04.jpg Gerberei-03.jpg Gerberei-Gerbfass-04.jpg

Only a certain number of hides can always be processed together.

 

The car manufacturer have the highest demand for the equality of colours, grain structures and quality. But even here, slight colour differences can occur.


BMW-schwarz-Unterschiede.jpg

Even car leather of BMW in "black"The of same type of leather is not always 100% identical.

 

The more porous and natural leather is, the more the differences can be.


Leder-Unterschiede-01.jpg

Leder-Unterschiede-02.jpg

Grain and gloss differ.

 


In the cases of the following photos, the customers had purchased vintage leather as semi-nubuck or pull-up leather and had either only seen one version as a pattern and had noticed the deviation when the furniture was purchased or when they received furniture parts, which were deliverd later.

In such cases, a better advising with photos or patterns could have helped causing misunderstandings. Often, this important communication, which would be possible, does not take place. Even the tannery should ideally point the leather dealer to the possible variance of the batches. Also the experienced leather trader would have to point out his customers differences in batches. Ideally with patterns that represent well the maximum variance.

If a customer wants to buy additional furniture, the furniture dealer should send photos and samples to the manufacturer, so that one remains as close to the customers leather as possible. If this is not enough, the manufacturer has to send samples to the customer, which he can put on the existing furniture to compare. This is complex and expensive, but still better than a complaint, which is annoying for everyone and also expensive.


Chargenunterschied-01.jpg

Strong deviaton of leather on later bought furniture. Even for professionals a strong batch deviation.

 

Chargenunterschied-02.jpg

Difference of leather pattern in the furniture house to delivered furniture. For the leather specialist still in the allowed range.

 

Afrika-Leder-Unterschiede-03.jpg Afrika-Leder-Unterschiede-02.jpg

Additinal bought oiled nubuck with mentioning the variation of the look in the online shop. Therefore, still within the scope of permissible batch variances in leather.

 



Additional information



Colourlock-GB-03.jpg

WE UNDERSTAND LEATHER - WWW.COLOURLOCK.COM