Difference between revisions of "Tensile strength - Tear strength"

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==The tensile strength of leather==
 
==The tensile strength of leather==
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Unter '''Zugfestigkeit''' des [[Leder|Leders]] versteht man die mögliche Zugbelastung eines Leders, bis es reißt.
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The tensile strength of a [[leather]] is the tensile strain of a leather until it tears.
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Die Zugfestigkeit ist innerhalb der [[Haut|Lederhaut]] in Längs- und Querrichtung stark unterschiedlich. Mit zunehmendem Fettgehalt nimmt auch die Zugfestigkeit des Leders zu. Aber es gibt noch viele weitere Parameter, die die Zugrichtung beeinflussen: Die [[Gerbung|Gerbart]], die [[Zurichtung]], die Steifheit oder das Alter. Da Leder ein Naturprodukt ist, verhält sich auch schon jede Haut von vornherein anders.
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Die Zugfestigkeit von [[Rindsleder|Rindsledern]] liegt zwischen 8 - 25 N/mm². Die Autoindustrie verlangt mindestens 200 N pro 5 cm.
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The tensile strength is very different in the longitudinal and transverse direction of the leather skin. Leather with higher [[Oils & fats in the leather industry|fat content]] has a higher tear strength. But there are many other parameters that influence the tear strength: the [[tanning leather|tanning method]], the [[finish]], the stiffness or the age of the leather. Since leather is a natural product, every skin behaves differently, and [[Parts of the hide|even within the same skin]], the properties are very different.
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The tensile strength of [[cow leather]] is between 8 - 25 N / mm². The [[car leather|car industry]] requires at least 200 N per 5 cm.
  
  
 
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Latest revision as of 17:11, 17 October 2022

LEATHER-DICTIONARY.jpg


The tensile strength of leather

The tensile strength of a leather is the tensile strain of a leather until it tears.

The tensile strength is very different in the longitudinal and transverse direction of the leather skin. Leather with higher fat content has a higher tear strength. But there are many other parameters that influence the tear strength: the tanning method, the finish, the stiffness or the age of the leather. Since leather is a natural product, every skin behaves differently, and even within the same skin, the properties are very different.

The tensile strength of cow leather is between 8 - 25 N / mm². The car industry requires at least 200 N per 5 cm.


Spaltleder Autoleder 01.jpg


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