QB/T 1130-1991 PDF EnglishUS$70.00 · In stock · Download in 9 seconds
QB/T 1130-1991: Plastics Angle Tear Performance Test Method Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure
Similar standardsQB/T 1130-1991: Plastics Angle Tear Performance Test Method---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/QBT1130-1991QB LIGHT INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA Plastics Angle Tear Performance Test Method APPROVED ON: JUNE 04, 1991 IMPLEMENTED ON: JANUARY 01, 1992 Approved by: Ministry of Light Industry of PRC Table of Contents1 Theme Content and Applicable Scope ... 3 2 Normative References ... 3 3 Principle ... 3 4 Test Apparatus ... 3 5 Specimen ... 3 6 Standard Environment for Condition Adjustment and Test of Specimen ... 4 7 Test Procedures ... 4 8 Representation of the Results ... 5 9 Test Report ... 5 Additional Information: ... 6 Plastics Angle Tear Performance Test Method1 Theme Content and Applicable ScopeThis Standard specifies the test method for the right-angle tear performance of plastic films and sheets. This Standard is applicable to plastic films, sheets and other similar plastic materials.2 Normative ReferencesGB 1040 Plastics - Determination of Tensile Properties GB 2918 Plastics - Standard Atmospheres for Conditioning and Testing GB 6672 Determination of Thickness of Plastic Film and Sheeting by Mechanical Scanning3 PrincipleApply a tensile load to the standard specimen to make the specimen tear at the right- angle mouth; and measure the tear load or tear strength of the specimen.4 Test Apparatus4.1 A tensile testing machine that meets the requirements of GB 1040 and can meet the requirements of test speed. 4.2 A thickness measuring instrument that meets the requirements of GB 6672.5 Specimen5.1 The shape and size of the specimen are shown in the following Figure:8 Representation of the Results8.1 Take the maximum load value during the tearing process of the specimen as the right-angle tearing load, in N. 8.2 The right-angle tear strength is calculated as follows: Where: σtr – right-angle tear strength, in kN/m; P – tearing load, in N; d – thickness of specimen, in mm. 8.3 The test results are expressed by the arithmetic mean of the right-angle tearing load or right-angle tear strength of all specimens. The significant figures of the test results are two digits or determined as per the product standard.9 Test ReportThe test report shall include the following: a. The name and number of this Standard; b. Description of sample type, production date, etc.; c. The direction of the specimen: If necessary, indicate the thickness of each specimen or overlapping specimen group, as well as the average thickness and quantity of the specimen or overlapping specimen group; d. If an overlapping specimen group is used, it shall be indicated; e. Test result: If necessary, indicate the test result and standard deviation of a single specimen; f. Test date; g. The cases that the specimens and tests are inconsistent with this Standard or not specified in this Standard. ____________________ ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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