Laboratory Padder

This is our Laboratory Padder video.If you're interested in textile test machines, you can visit our website: www.testextextile.com

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Fabric Shrinkage, Dimensional Stability to Washing: the Complete Guide

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  This article is developed from four aspects: the basics of fabric shrinkage (definition, principle, common sense), the factors affecting fabric shrinkage, the test method of fabric shrinkage, and how to textile fabric shrinkage during the washing and care process. This should be the most comprehensive guide on fabric shrinkage. The Basics of Fabric Shrinkage 1 What is the fabric shrinkage? Fabric shrinkage is a textile in a certain state, after washing, dewatering, drying and other processes, the length or width of a change in a phenomenon. Measure the degree of shrinkage index called shrinkage rate or shrinkage, the type of fiber, the structure of the fabric, weaving and processing of external forces, etc. will affect the shrinkage performance of the fabric. 2 The principle of fabric shrinkage After the fiber absorbs moisture, its longitudinal and transverse are to swell, the volume increases, of which the transverse expansion is large and the longitudinal expansion is small. Th...
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The Introduction Of Air Permeability Test Standards: ASTM D737 & EN ISO 9237

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  Contents     hide   1   What is the Air Permeability of a Fabric? 2   Textile Air Permeability Test Standards 3   Definitions 3.1   Air Permeability 3.2   Air Resistance 3.3   Air Porosity 4   ASTM D737 Air Permeability of Textile Fabrics 4.1   Test Method 4.2   Significance and Use 4.3   Quality Assurance 4.4   Apparatus 4.5   Sample Preparation 4.6   Instrument Setup & Calibration 4.7   Testing Procedure 5   EN ISO 9237 Determination of the Permeability of Fabrics to Air 5.1   Principle 5.2   Parameters 5.3   Application 5.4   Apparatus & Accessories 5.5   Sample conditioning 5.6   Recommended Standards 5.7   Specimen Mounting 5.8   Test Procedure 5.9   Cautions 5.10   Results & Calculation 6   Difference between ASTM D737 & ISO 9237 6.1   ASTM D 737 6.2   ISO 9237   The air permeability test for fabric m...
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6 Core Issues of Yarn Count and Fabric Density

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  Yarn count and fabric density are important factors in measuring the quality of a fabric, determining whether it has a fine texture, which in turn affects the comfort of the textile. This article will take you through the core keys of yarn count and fabric density in 6 ways. What are yarn count and fabric density? Yarn count indicates the thickness of the yarn. The higher the yarn count, the finer and softer the fabric and there are higher requirements for the material. The yarn count is expressed in both length based system and weight based system and the main indicators are S, D, N, and Tex. For specific fabrics, specific indicator is used, of which S and D are more commonly used. In contrast, Tex is generally converted in the technical literature. Weight based system Metric count(N) N = Metric count refers to the length of a fibre or yarn of 1g at the given convention moisture regain. The higher the value, the finer the yarn. The metric count is mainly used for woollen an...
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