GB/T 11759-2008Raw cattle hides and skins (English PDF)

Foreword

This standard reference ISO /PDTR2822-2 "rawhide leather - Part 2. Classification according to the quality guidelines" (Rawhidesand skins-Cattlehidesandskins-Part 2. Guidelinesforgradingonthebasisofmass), this standard is GB/T 11759-1989 "cowhide" amendments. This standard replaces GB/T 11759-1989. This standard compared with GB/T 11759-1989, the main changes are as follows:

--- Refine the scope of the standard;

--- Cancel "terminology";

--- Cancel "processing requirements";

--- The "specifications" to "classification and grading";

--- Cancel "Caution", "other", "variety than the poor," "do not board than the poor", "yellow leather quality than poor areas";

--- Modified "test method", increasing the "inspection rules";

--- Simplifying the "Packaging, transport and storage." The standard proposed by China National Light Industry Council. This standard by the National Leather Industry Standardization Technical Committee (SAC/TC252) centralized. This standard was drafted. bovine Co., China Leather and Footwear Industry Research Institute. The main drafters of this standard. Fan Huadong, Li Shiwei, Wuji Kui, Fan cocoa, Lee Construction. This standard replaces the standards previously issued as follows:

--- GB/T 11759-1989. Leather

1 Scope

GB/T 11759-2008 is the Chinese national standard on raw cattle hides and skins, in the field of textile and leather technology. The /T suffix marks it as a recommended standard: it is not compulsory by itself, but it becomes binding as soon as a contract, a tender or a customer specification calls it up - which in practice is how most foreign buyers meet it. It was issued on 31 July 2008 by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China, and has been in force since 1 May 2009. Classification: ICS 59.140.30, CCS Y46. This page is published from the official record of the standard held by the Chinese standards administration: the identification, the dates, the classification and the issuing body are taken from there. The clause text, the tables and the numeric limits are in the document itself, which is delivered complete in English translation.

This standard specifies the classification and grading leather, testing methods, inspection rules and packaging, transportation and storage. This standard applies to after slaughter untreated or after only simple drying, freezing or after treatment, or after treatment salted, or through the appropriate When rawhide preservation process.

2 Classification and grading

2.1 Quality Classification Cowhide quality classification according to Table 1. Table 1 quality classification in kilograms category Mass m

1 Fresh skin (including skin fresh frozen) salt wet skin pale skin dry skin dry salt Minor leather (calfskin, calfskins) <=20 <=15 <=10 <=

20 Super Paper Weight (extraheavyhides) > 35 > 30 > 25 > 20

2.2 Area Classification Kraft classified by area are shown in Table 2. Table 2 floor space in square meters Class Size S Minor leather (calfskin, calfskins) <=