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Mechanical Properties Testing for Textile and Garment
2016-11-07 08:28  Clicks:
protective garment from Yulong Textile
1) Main test items: yarn count, density, weight, tensile strength, tear strength, bursting strength, seam strength, abrasion resistance, pilling resistance etc.
 
2) Detailed description
 
Yarn count: it refers the thickness of yarn, usually used today is English cotton yarn number, denoted with Ne, the definition is that 840 yards multiple of the compound annual growth rate for one-pound cotton yarn when 9.89% convention moisture regain.
 
Density: the yarn number per inch.
 
Weight: one square yard fabric’s oz or one square meter fabric’s weight.
 
Tensile strength: The tensile strength means the force which was used to stretch the certain size fabrics until rupture under the constant speed by the tensile strength machine. The tensile strength test methods including grasp method and strip method, according to different test standard and client’s requirement to choose suitable test method. 
 
Tear strength: a certain size fabric sample, clamped on the tear strength tester, cut holes in the middle to confirm the tear direction, tear strength tester adopts the pendulum drop method to tear the sample from the incision, the power we used is tear strength.
 
Seam slippage: fold a certain size sample, stitch it across the width direction, cut it from a certain distance, using a tensile strength tester with a constant rate to a certain seam hole, or pull the opening to a certain strength, the power used is seam slippage. There are two seam strength test methods, set the opening force and side opening force when test seam strength, according to different test standard and client’s requirement to choose suitable test method. It is only used for woven fabric test.
 
Seam strength; same as the seam slippage, fold a certain size sample, stitch it across the width direction, cut it from a certain distance, using a tensile strength tester with a constant rate to make the thread broken, the power used is the seam strength, the seam strength can be test together with seam slippage, usually used for wove fabric test.
 
Bursting strength: under a certain conditions, put expansionary expansibility on a flat fabric in a suitable angel, until it broken, the power is bursting strength.
 
Abrasion resistance: under a known press, at a certain track mutual rub the sample installed the sample holder and the standard fabric under a certain pressure, until the fabric yarn broken or broken hole, record the number of friction times, that is, abrasion value.
 
Pilling resistance: tumbling rub the fabric a certain time under a certain condition, check it’s surface pilling condition, pilling refers the bobbles tangled fiber cluster in the surface of the fabric. Fuzzing refers to the fabric surface fluff fiber rough and uneven (or) fiber fluff, lead to the appearance of fabric changed, the fabric filling resistance is assessed by ratings or the original sample comparison.
 
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