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1.1 This test method covers the measurement of the tearing strength of textile fabrics by the tongue (single rip) procedure using a recording constant-rate-of-extension-type (CRE) tensile testing machine. At present, the most commonly used method of fabric tearing strength test is mainly the pendulum method, tongue method and trapezoidal method. Aside from these .
The tearing strength of textile fabrics by the tongue (single rip) procedure may be determined using the test method specified in ASTM D2261. In this test method, a cut is made in a rectangular specimen, which starts a tear. The Tongue Tear Test (ASTM D2261) is an essential technique for evaluating the tearing strength of textiles and offers insightful data regarding their resilience to tearing across a range of industries. http://www.universalgripco.com/#!astm-d2261/c1sdASTM D2261 - Standard Test Method for Tearing Strength of Fabrics by the Tongue (Single Rip) ProcedureThis te.1.1 This test method covers the measurement of the tearing strength of textile fabrics by the tongue (single rip) procedure using a recording constant-rate-of-ext ension-type (CRE) tensile .
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1.1 This test method covers the measurement of the tearing strength of textile fabrics by the tongue (single rip) procedure using a recording constant-rate-of-extension-type (CRE) tensile testing machine.Several methods are used to measure tear strength, e.g. double tongue rip (tear) test, trapezoid tear test, (ASTM D5587) and single tongue tear test (ASTM D2661, BS 4303). Here's a simple definition: tear testing is a measurement of force required to continue a tear of a fabric specimen assuming that a tear has already been created. Two commonly used methods include Tongue Tear and . Tear strength is often used to measure the performance of tent and umbrella, but knitting fabric and elastic woven fabric will not test this indicator. There are many methods to measure fabric tearing strength, such .
Principle of Elmendorf Tear Test. It is measured by measuring the pendulum at a certain starting height to fall, all the potential energy into kinetic energy and then through the reduction of its potential energy converted into .Standard Test Method for Tearing Strength, Tongue Tear of Leather1 This standard is issued under the fixed designation D4704; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
Standard Test Method for Tearing Strength, Tongue Tear of Leather D4704-13R17 ASTM|D4704-13R17|en-US Standard Test Method for Tearing Strength, Tongue Tear of Leather Standard D4704 Standard Test Method for Tearing Strength, Tongue Tear of Leather> new BOS Vol. 15.04 Committee D31 $ 73.00 In stockTongue Tear (Double Rip) Test: A specimen is cut into a tongue-like shape and pulled in two directions to propagate a tear. Standards: ASTM D2261 (for textiles), ISO 13937-2 (for textiles). . ASTM D1938-19: Standard Test Method for Tear-Propagation Resistance (Trouser Tear) of Plastic Film and Thin Sheeting by a Single-Tear Method . Two commonly used methods include Tongue Tear and Trapezoidal Tear. Both work on the same premise: they measure the amount of force required to continue tearing along a predetermined tear point. We are going to focus on the Tongue Tear, but we will also compare trapezoidal tear results to tongue tear results. The Basics of the Tongue Tear Test .A tear in a fabric or garment generally occurs progressively along a line, and can be initiated by a moving fabric being caught on a sharp object. Several methods are used to measure tear strength, e.g. double tongue rip (tear) test, trapezoid tear test, (ASTM D5587) and single tongue tear test (ASTM D2661, BS 4303).
Standard Test Method for Tearing Strength, Tongue Tear of Leather1 This standard is issued under the fixed designation D4704; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.These tearing test methods can be classified into two types [6], one is out-of-plane tearing test, like the tongue tearing method [7][8] [9] [10][11][12]. The other one is in-plane method, like .
Moritz et al. [6], [15], [16] have determined a series of different critical performance properties of the fabrics tents that have to be taken into consideration when developing new membrane materials, and some of these are Tensile, Tear Strength, Coating Adhesion, Weldability and Seam Strength, Flame Resistance, particularly UV and Weathering .
ASTM D2261 - Standard Test Method for Tearing Strength of Fabrics by the Tongue (Single Rip) Procedure (Constant-Rate-of-Extension Tensile Testing Machine) top of page. 1-978-882-1480 . Tongue Tear Test. Literature. Pricing and Availability. Tensile Grips Compression Fixtures Testing Machines Accessories Similarly, the spun yarn has low tear strength as compared to filament yarn. The knitted fabric is less strong as compared to woven fabric. The tearing strength tester is an appropriate tool to measure the tear resistance of various materials including textiles and fabric. Types of tear test: Tongue Test; Trapezoid; Elmendorf; Measurement of .The second form is the tongue tear test and requires that the sample have a tab cut in the middle. This tab is cut so that so that it is separated the rest of the sample on the bottom and sides but not the top. . ASTM D624 and ISO 34-1 are similar tear strength test methods for rubber test samp. ASTM D4705 Stitch Tear Strength of Leather .There are three basic fabric and textile tear test ing methods. Each test specimen is very different from the others. ASTM D2261: Tongue tear is a single rip procedure SunMaster was tested using the tongue tear method. ASTM D5587: In the Trapezoid tear method, f abric is cut into a trapezoid shape and a small tear is made before starting the test.
— Part 4: Determination of tear force of tongue-shaped test specimens (Double tear test) Annex D forms a normative part of this part of ISO 13937. Annexes A, B and C are for information only. . NOTE 1: For other tear test methods using tensile-testing machines part 3 . Tongue Tear Test. The tongue tear test is mainly designed to assess the tearing power of fabric with high elongation residences, along with elastomeric substances and stretch fabric. . (ASTM) for determining the tearing strength of fabric using the Elmendorf tear test equipment. This method is widely recognized and utilized in various .The various tear tests carried out in this manner, which are called tongue tear tests, differ mainly in the geometry of the specimen. ASTM D2261 describes a single rip tear test method, and BS 4303 also describes a wing rip tear test method. The results can be expressed as the maximum, the median, or the average tearing resistance.
1.3 Tear strength, as measured in this test method, requires that the tear be initiated before testing. The reported value obtained is not directly related to the force required to initiate or start a tear. 1.4 Two calculations for tongue tearing strength are provided: the single-peak force and the average of five highest peak forces.Do this for both warp and weft directions. Report: 1. Report that the tongue tearing strength was determined in accordance with ASTM Test Method D2261. 2. Describe the material or product sampled and the method of sampling used. 3. For each unit and the lot state: a. Tongue tearing test for each testing direction and condition as requested b.
Standard Test Method for Tearing Strength, Tongue Tear of Leather D4704-13R23 ASTM|D4704-13R23|en-US Standard Test Method for Tearing Strength, Tongue Tear of Leather Standard D4704 Standard Test Method for Tearing Strength, Tongue Tear of Leather> new BOS Vol. 15.04 Committee D31 $ 61.00 In stockASTM D4704-13R23 - Standard Test Method for Tearing Strength, Tongue Tear of Leather, Category: 59.140.30 . Standard Test Method for Tearing Strength, Tongue Tear of Leather. Format. Availability. Price and currency English PDF. . Conclusion: The tearing strength: Pendulum Method < Single Tongue Method< Double Tongue Method < Airfoil Method < Trapezoidal Method. Test Instrument. Auto Elmendorf Tear Tester, which is used to determine the ballistic tearing strength of various common materials and was naturally adopted for all materials in the form of sheet or films .
Originally introduced in 1964, ASTM D2261 was most recently updated in 2013 and specifies the method for tear testing of fabrics by the tongue (single rip) procedure to measure the tearing strength of the fabric. This test method applies to most textile fabrics, including those that are treated and untreated, woven, knitted, or unwoven. The same sample dimensions and orientation of the tear as the tongue tear test were used. A central 10 mm long pre-crack was performed in the warp direction of the samples. Also, test involved the same loading pattern, i.e. a loading/unloading cycle up to a set maximum displacement value, as well as the same loading rate as the tongue tear test.
tongue tearing strength
www.testresources.net 1.2 This test method applies to most fabrics including woven, layered blankets, napped pile, blanket, and air bag fabrics, provided the fabric does not tear in the direction crosswise to the direction of the force application during the test. The fabrics may be untreated, heavily sized, coated, resin-treated, or otherwise treated. Instructions are provided for testing .Usually depending on the end use, especially if the fabric has a specification or the results required have been given by a retailer and they quote the test method. For apparel, the part 2 method would be used, the tongue tear test would be used for stronger fabrics such as military or technical fabrics.
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tongue tear test method|tongue tear results