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The standard defines key terms, including visible appearance change attributable to the chair castor test, with severity graded according to DIN 54,328. It describes the test principle using a rotating table and three weighted castors, including a controlled curved path and a 160° turnaround, and specifies sampling and standard climate conditioning requirements before testing.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":35,"@type":76,"position":81},"https://docshare.wps.com/document/healthcare/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/din-54324-chair-castor-test-testing-of-textiles-determination-of-the-wearing-process-of-textile-floorcoverings/323995/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/din-54324-chair-castor-test-testing-of-textiles-determination-of-the-wearing-process-of-textile-floorcoverings/323995.png","ImageObject",300,407,{"name":92,"@type":93},"Hazel","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-22","2026-09-21",true,{"@type":102,"interactionType":103,"userInteractionCount":81},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is the chair castor test used to indicate?","Question",{"text":112,"@type":113},"It indicates the behavior of textile floor coverings under wear stress caused by the movement of weighted chairs with castors, such as office chairs.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How is a change in appearance defined and graded?",{"text":117,"@type":113},"A change is a visible appearance change due to wear stress in the chair castor test, determined according to DIN 54,328 and expressed by an overall grade.",{"name":119,"@type":110,"acceptedAnswer":120},"How is the test performed at a high level?",{"text":121,"@type":113},"Test samples are attached to a table and stressed by three weighted castors, with the table and castor mount set in rotation; suitable speed ratios produce a curved castor path and an approximately 160° turnaround near the outer edge of the stressed area.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},323995,1792588383,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":34,"category_name":35,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":81,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":145},137441390410,"https://ap-avatar.wpscdn.com/avatar/2000252f4ab5702993?_k=1776741390130283984","DIN German Institute for Standardization.Testing of textiles:  determination of thewearing process of textile floorcoverings chaircastor test.  \n10 p.[Deutscher Normenausschuss DIN 54,324]Standard(German)DIN 54,324.Filed:  TRANSLATION NO.4746.  \n2017  \nDIN 54,324  \nTesting of Textiles;Determination of the Wearing Process ofTextile Floorcoverings;Chair Castor Test*[Prüfung vonTextilien;Bestimmung der Abnutzung textiler Fussbodenbeläge;Stuhlrollenversuch].Draft,September,1986  \n*Proposed as a replacement for the February,1976 editionopposition may be submitted through December 31,1986Warning note about use on the last page!  \nStandards Committee on Materials Testing(NNP)of the DIN GermanInstitute for Standardization,Textile Standards,StandardsCommittee on Textiles and Textile Machines of the DIN  \n\n| Translated fro   | m German by th   | e Raiph McElro   | y Co.   | ,Custom   |  Division   |\n| --- | --- | --- | --- | --- | --- |\n| P.O.Box 4828,   | Austin,Texas   | 78765  \u003Cbr>USA   |  |  |  |\n\nCode:   360-1751-1  \nDIN 54,324  \nTESTING OF TEXTILES;DETERMINATION OF THE WEARING PROCESS OFTEXTILE FLOORCOVERINGS;CHAIR CASTOR TEST  \nDimensions in mm  \n# 1.  Scope and purpose\n\nThe chair castor test is used to give an indication of thebehavior of textile floorcoverings under stress due to themovement of weighted chairs with castors(e.g.,office chairs).  \n# 2.   Terms\n\nChange in the appearance of the textile floorcovering  \nA change in the appearance of a textile floorcovering in thesense of this standard is a visible change in appearance due towear stress in the chair castor test.  It is determined accordingto DIN 54,328.  The degree of change is expressed by an overallgrade.This gives an indication of the possible changes in thetextile floorcovering during use.  \nPage 2  \nThe change in the appearance of the textile floorcovering maybe due to a change in structure,raising of the nap or a change inthe color design.  \n# 3.  Brief description of the process\n\nIn the test method described in this standard,the testsamples are attached to a table and subjected to stress by threeweighted castors(see Figure 1).  Both the table and the castormount are set in rotation.  By an appropriate choice of the  \nrelationship between the rotational speed of the table and that ofthe castor mount,a type of path of the castors can be achievedwhich entails not only a certain movement of the castors in acurved path but also a turnaround maneuver of the castors of 160°approximately at the outer edge of the stress tested area of the  \nFigure 1.  Diagram of the chair castor device.  \nKey:  1 -Weight  \n2 -Suction device  \n3 -Castor mount  \n4 -Test sample  \n5-Table  \n6 -Sample holder  \nDigitized by the Internet Archivein 2016  \nhttps://archive.org/details/testingoftextile00ding_1  \nPage 3  \nFigure 2.  Curved path of a castor.  \nKey:1 -Table and sample holder2 -Edge of sample3 -Edge of the stressed area  \n# 4.  Samplina and sample preparation\n\n## 4.1 Sampling\n\nSampling is done in accordance with DIN 53,803 Part 2.  \n## 4.2 Adapting the samples to the standard climate\n\nThe test samples must be adapted to the standard climate(20±2)°C and(65±2)%relative atmospheric humidity for atleast 48 hours in accordance with DIN 53,802.","cbCaip1fnUwWxnkt","https://ap.wps.com/l/cbCaip1fnUwWxnkt","pdf",1054208,38,"English","# 1. Scope and purpose\n# 2. Terms\n# 3. Brief description of the process\n# 4. Sampling and sample preparation\n## 4.1 Sampling\n## 4.2 Adapting the samples to the standard climate","[{\"question\":\"What is the chair castor test used to indicate?\",\"answer\":\"It indicates the behavior of textile floor coverings under wear stress caused by the movement of weighted chairs with castors, such as office chairs.\"},{\"question\":\"How is a change in appearance defined and graded?\",\"answer\":\"A change is a visible appearance change due to wear stress in the chair castor test, determined according to DIN 54,328 and expressed by an overall grade.\"},{\"question\":\"How is the test performed at a high level?\",\"answer\":\"Test samples are attached to a table and stressed by three weighted castors, with the table and castor mount set in rotation; suitable speed ratios produce a curved castor path and an approximately 160° turnaround near the outer edge of the stressed area.\"}]","DIN 54,324 - Chair Castor Test - Testing of Textiles, Determination of the Wearing Process of Textile Floorcoverings | PDF",1789966761,96]