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In general, there are two main steps in the mask production: mask slicing and earloops welding. The first step, make the mask bodies with the PP Non-woven fabric and the nose clips to meet the standard specifications, and then weld the earloops to make a completed mask. During the whole process of mask production, most importantly is that the mask bodies made by the mask slicer can maintain a stable shape and size, so as to ensure the stability of the earloops welding.

Guide on how fabric and tensile tester manufacturers can regulate and keep the quality of their products in check. Before we begin to look into quality control, it is essential to understand the fabric production process.

Another name for color fastness is dye fastness. It refers to the resistance of textile colors to effects such as color change or transfer during processing and use. The fastness grade, i.e., the degree of color fastness of fabric, is evaluated according to the discoloration of a sample and the staining of the undyed lining fabric. During use, textiles are usually exposed to external factors such as light, washing, ironing, sweat, friction, and chemical agents. Some printed and dyed textiles are also subjected to special finishing processes, such as resin finishing, flame retardant finishing, sand-washing, and grinding.

Common testing standards Currently, there are mainly three commonly used standards for testing light fastness: GB/T 8427, ISO 105-B02, AATCC 16.3. Among them, GB/T 8427 formally implemented the latest method GB/T 8427-2019 “Textile color fastness test color fastness tester to artificial light: xenon arc” on July 1, 2020. This method is in accordance with GB/T 8427-2008 Revised on the basis. The main technical differences between these methods are shown.

ICI Mace Snag Tester Test procedure: After the specified standard atmospheric humidity is adjusted, two samples are taken in the longitudinal (longitudinal) and weft (horizontal) directions, each with a size of 200 mm × 330 mm. The tube is about 280mm long;

ICI Pilling and Snagging Tester is used for determination the surface pilling and snagging properties of both woven and knitted materials.

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Footwear Testing Equipment For Shoes Flexing Tester Whole Shoes Flexing Tester applies SATRA TM92 standard, is used to test the flexing resistance of finished shoes or shoe sole.