{"id":9889,"date":"2026-11-05T10:48:41","date_gmt":"2026-11-05T09:48:41","guid":{"rendered":"https:\/\/bf-engineering.com\/?post_type=anwendung&#038;p=9889"},"modified":"2026-11-05T10:54:22","modified_gmt":"2026-11-05T09:54:22","slug":"textiles","status":"publish","type":"anwendung","link":"https:\/\/bf-engineering.com\/en\/application\/textiles\/","title":{"rendered":"Textiles"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"author":7,"featured_media":9907,"menu_order":18,"template":"","meta":{"_acf_changed":false,"footnotes":""},"anwendung-kat":[85],"produkt-kat":[],"class_list":["post-9889","anwendung","type-anwendung","status-publish","has-post-thumbnail","hentry","anwendung-kat-material-testing","no-featured-image-padding"],"acf":{"cpt-modules":{"":null,"description":"<strong>Irradiation Testing for Textiles<\/strong>\r\n\r\nTextiles are used in clothing, vehicles, interiors and outdoor applications. Depending on their use, requirements for colour, material and function differ considerably. Fibre composition, dyeing, finishes and coatings therefore also form part of the specimen description.\r\n\r\nDefined irradiation allows comparative investigations independently of changing natural light conditions. A distinction must be made between lightfastness testing and broader investigations into material ageing. ISO 105-B02, for example, describes a method for evaluating colour changes in textiles under artificial, daylight-like xenon-arc light.\r\n\r\nBF Engineering develops irradiation solutions for these investigations. Requirements for the light source, specimen mounting and ambient conditions are established to suit the agreed procedure.","button":null,"text":{"title":"","description":"","button":null},"gallery":"","references":"","tabs":[{"title":"Test Objectives","description":"<strong>Consider colour, material and application together<\/strong>\r\n\r\nThe properties to be investigated depend on the textile\u2019s intended use. A decorative upholstery fabric raises different questions from a coated outdoor fabric or a technical textile with a specific function.\r\n\r\nComparative tests can examine different fibre blends, dyes, prints or finishes. Before exposure begins, the characteristics to be evaluated and the required references are defined. This creates an experimental programme suited to the specific product question.\r\n\r\nTypical areas of investigation:\r\n<ul>\r\n \t<li>Colour behaviour of dyed and printed textiles<\/li>\r\n \t<li>Comparison of different fibres and material blends<\/li>\r\n \t<li>Investigation of upholstery fabrics and interior textiles<\/li>\r\n \t<li>Comparison of coated or finished fabrics<\/li>\r\n \t<li>Evaluation of selected functions after defined exposure<\/li>\r\n<\/ul>","button":null,"image":"","tables":null},{"title":"Light Exposure","description":"<strong>Select illumination to suit the test objective<\/strong>\r\n\r\nGeneral UV irradiation does not automatically replace a specified lightfastness test procedure. The required light source and filtering are therefore selected according to the investigation objective and, where applicable, the agreed test specification.\r\n\r\nDifferent conditions may be relevant for outdoor applications, interiors or exposure behind glazing. Alongside the spectrum, irradiance, temperature and the sequence over time are defined. Reference materials are included where required by the selected procedure.\r\n\r\nImportant exposure parameters:\r\n<ul>\r\n \t<li>Radiation source and spectral requirements<\/li>\r\n \t<li>Filtering suited to the intended application<\/li>\r\n \t<li>Irradiance or the procedure-specific reference parameter<\/li>\r\n \t<li>Temperature and, where applicable, humidity conditions<\/li>\r\n \t<li>Exposure duration and required reference materials<\/li>\r\n<\/ul>","button":null,"image":"","tables":null},{"title":"Specimen Mounting","description":"<strong>Position flexible materials under defined conditions<\/strong>\r\n\r\nTextile specimens require a mounting arrangement that reliably maintains their position during exposure. At the same time, unwanted stretching, folds and shading should be avoided. Mounting is therefore adapted to the material and the area being investigated.\r\n\r\nThe backing and layer construction can also influence the result. For multilayer products, it is established whether only the outer material or the complete composite will be investigated. Orientation, sampling and any masking are documented.\r\n\r\nRelevant specimen mounting considerations:\r\n<ul>\r\n \t<li>Dimensions and orientation of the textile specimen<\/li>\r\n \t<li>Defined tension or low-stress mounting<\/li>\r\n \t<li>Backing and multilayer construction, where applicable<\/li>\r\n \t<li>Flat positioning without folds and unobstructed exposure of the test area<\/li>\r\n \t<li>Identification and masking of designated comparison areas<\/li>\r\n<\/ul>","button":null,"image":"","tables":null},{"title":"Evaluation","description":"<strong>Align evaluation with the property being investigated<\/strong>\r\n\r\nIn a lightfastness investigation, the focus is on colour change. Broader ageing investigations may require additional mechanical or functional tests. These are defined as separate evaluation steps.\r\n\r\nMeasurements before and after exposure are performed under agreed conditions. Demonstrating the UV-protective performance of a textile requires an appropriate measurement and evaluation procedure; an irradiation test alone does not establish a protection classification.\r\n\r\nPossible evaluation parameters:\r\n<ul>\r\n \t<li>Colour change according to the selected evaluation procedure<\/li>\r\n \t<li>Differences between exposed and reference areas<\/li>\r\n \t<li>Changes in the surface and condition of the coating<\/li>\r\n \t<li>Mechanical properties according to a separate test plan<\/li>\r\n \t<li>Retention of defined textile product functions<\/li>\r\n<\/ul>","button":null,"image":"","tables":null},{"title":"Integration","description":"<strong>Coordinate the irradiation system with textile sample series<\/strong>\r\n\r\nTextile testing can involve numerous small samples and comparison variants. A clearly organised sample arrangement and unambiguous identification make it easier to link exposure with results. Intermediate evaluations and repeated sample changes are also considered in the workflow.\r\n\r\nBF Engineering plans the irradiation equipment to suit the required area and intended specimen holders. Requirements for temperature control, monitoring and interfaces are established together with the operator.\r\n\r\nRelevant integration considerations:\r\n<ul>\r\n \t<li>Number and format of specimens exposed simultaneously<\/li>\r\n \t<li>Suitable holders for flexible materials<\/li>\r\n \t<li>Accessibility for intermediate evaluations and specimen changes<\/li>\r\n \t<li>Monitoring of the agreed exposure conditions<\/li>\r\n \t<li>Cleaning, maintenance and verification of the irradiation area<\/li>\r\n<\/ul>","button":null,"image":"","tables":null}]},"contact-person_selection":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Textiles | BF Engineering<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/bf-engineering.com\/en\/application\/textiles\/\" \/>\n<script 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