Standard ČSN 792640 31.10.1984 preview

ČSN 792640 (792640)

Bag leathers. Bag leathers of cattle hides and splits



STANDARD published on 31.10.1984


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The information about the standard:

Designation standards: ČSN 792640
Classification mark: 792640
Catalog number: 31445
Publication date standards: 31.10.1984
SKU: NS-136157
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Czech technical standard
Category: Technical standards ČSN

The category - similar standards:

Leather and furs

Annotation of standard text ČSN 792640 (792640):

Norma platí pro výrobu, zkoušení a dodávání brašnářských chromitých, chromotříslených a tříslených usní z hovězinových štípenek. Obsah oxidu chromitého je 1,0 % v chromitotříslených a 3,0 - 6,5 % v chromitých usních. Z obou druhů usní se smí vyluhovat max. 100 µg.g-1. ČSN 79 2640 byla schválena 31.10.1984 a nabyla účinnosti od 1.1.1986. Nahradila ČSN 79 2640 z 1.7.1957

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