{"id":4654,"date":"2024-09-26T11:57:50","date_gmt":"2024-09-26T10:57:50","guid":{"rendered":"https:\/\/kfm-kasachstan.net\/?p=4654"},"modified":"2024-09-26T11:57:50","modified_gmt":"2024-09-26T10:57:50","slug":"laufgaenge-rutschfestigkeit-erhalten","status":"publish","type":"post","link":"https:\/\/kfm-kasachstan.net\/?p=4654","title":{"rendered":"Laufg\u00e4nge: Rutschfestigkeit erhalten"},"content":{"rendered":"<p>Auf griffigen Untergr\u00fcnden laufen K\u00fche entspannt, z\u00fcgig und mit erhobenem Kopf. Auf glatten, rutschigen Fl\u00e4chen dagegen verk\u00fcrzen sie ihre Schritte und sie gehen langsamer.<\/p>\n<p>\u00c4ltere Lauffl\u00e4chen haben h\u00e4ufig ihre Griffigkeit verloren. Um sie wieder rutschfest zu machen, gibt es zwei Methoden: mechanisches Aufrauen oder eine Behandlung mit S\u00e4ure.<\/p>\n<p>Bei einer chemischen Behandlung von Betonfl\u00e4chen werden die anorganischen R\u00fcckst\u00e4nde wie Urinstein entfernt. Zuerst m\u00fcssen die Fl\u00e4chen aber gr\u00fcndlich gereinigt werden. \u00a0Anschlie\u00dfend wird das Reinigungsmittel aufgebracht. Am einfachsten ist die Anwendung von pulverf\u00f6rmiger Zitronens\u00e4ure (C\u2086H\u2088O\u2087), die nach der Vorreinigung auf die noch feuchte Oberfl\u00e4che gestreut wird. Nach ca. 15 Minuten wird die Fl\u00e4che mit Wasser abgesp\u00fclt.<\/p>\n<p>Alternativ kann auch 5%ige Salzs\u00e4ure Verwendung finden. Die Zugabe von Sp\u00fclmittel zur Verringerung der Oberfl\u00e4chenspannung verbessert die Wirkung. Sichtbar wird die chemische Reaktion durch Schaum- und Dampfbildung. Nach 15 Minuten ist die Fl\u00e4che sorgf\u00e4ltig mit Wasser zu sp\u00fclen. \u00a0F\u00fcr eine dreimalige Anwendung im Abstand von mehreren Stunden ist 1,0 Liter\/m\u00b2 gebrauchsfertige L\u00f6sung ausreichend. Etwaige Reste der S\u00e4ure d\u00fcrfen in die G\u00fclle geleitet werden, sie verursachen dort keine Sch\u00e4den, sie binden lediglich Ammoniak.<\/p>\n<p><strong>ACHTUNG: Anwendersicherheit beachten! <\/strong><\/p>\n<p>Bei Salzs\u00e4ure handelt es sich im eine stark \u00e4tzende und korrosive Fl\u00fcssigkeit. Die Ber\u00fchrung von Haut oder die Benetzung von Augen sowie das Einatmen der entstehenden D\u00e4mpfe verursacht starke Hautreizungen bzw. Atembeschwerden bis hin zur Ver\u00e4tzung der Luftwege:<\/p>\n<p>&#8211; nur mit entsprechender Schutzausr\u00fcstung (Schutzbrille, Gummistiefel, Sch\u00fcrze, Chemiehandschuhe) in gut bel\u00fcfteten R\u00e4umen arbeiten,<\/p>\n<p>&#8211; beim Herstellen der gebrauchsfertigen L\u00f6sung sind Hautkontakt und das Einatmen der D\u00e4mpfe unbedingt zu vermeiden. Ohne Schutzbrille darf nicht gearbeitet werden!<\/p>\n<p>&#8211; immer zuerst Wasser in den Eimer geben und dann die S\u00e4ure, niemals umgekehrt.<\/p>\n<p>&#8211; stets flie\u00dfend Wasser und eine Augensp\u00fclflasche bereithalten.<\/p>\n<p>Uwe Weddige<\/p>\n<p>Foto: KFM<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Auf griffigen Untergr\u00fcnden laufen K\u00fche entspannt, z\u00fcgig und mit erhobenem  [&#8230;]<\/p>\n","protected":false},"author":3,"featured_media":4655,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","footnotes":""},"categories":[9],"tags":[],"post_folder":[],"class_list":["post-4654","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized-de"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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