QB/T 2709-2005 PDF English
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QB/T 2709-2005: Leather. Physical and mechanical tests. Determination of thickness
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/QBT2709-2005LIGHT INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 59.140 Classification number. Y45 Filing number. 15761-2005 Replacing QB/T 3812.4-1999 Leather - Physical and mechanical tests - Determination of thickness (ISO 2589.2002, Leather - Physical and mechanical tests - Determination of thickness, MOD) Issued on: MARCH 19, 2005 Implemented on: SEPTEMBER 01, 2005 Issued by. National Development and Reform Commission
Table of Contents
1 Scope... 3 2 Normative references... 3 3 Principle... 3 4 Device... 3 5 Sampling and specimen preparation... 4 6 Procedure... 4 7 Representation of results... 5 8 Test report... 5 Leather - Physical and mechanical tests - Determination of thickness1 Scope
This standard specifies the method for determining the thickness of leather. This standard applies to all types of leather. This standard applies to the determination of the thickness of the whole leather and the specimen.2 Normative references
The provisions in following documents become the provisions of this Standard through reference in this Standard. For the dated references, the subsequent amendments (excluding corrections) or revisions do not apply to this Standard; however, parties who reach an agreement based on this Standard are encouraged to study if the latest versions of these documents are applicable. For undated references, the latest edition of the referenced document applies. QB/T 2706-2005 Leather - Chemical physical and mechanical and fastness tests - Sampling location (ISO 2418.2002, MOD) QB/T 2707-2005 Leather - Physical and mechanical tests - Sample preparation and conditioning (ISO 2419.2002, MOD)3 Principle
The thickness of the leather measured by the thickness gauge within a specified load and within a specified time.4 Device
4.1 Thickness gauge 4.1.1 Dial gauge, minimum scale 0.01 mm. It has a ± 0.02 mm accuracy within the entire measuring range. 4.1.2 Test bench, a cylinder with horizontal surface, diameter (10.00 ± 0.05) mm, height (3.0 ± 0.1) mm, installed on the surface of a coaxial round platform which has a diameter of (50.0 ± 0.2) mm. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.