{"id":12519,"date":"2018-10-09T11:37:20","date_gmt":"2018-10-09T09:37:20","guid":{"rendered":"https:\/\/rhenus.betadevelopment.de\/impuls-news\/warum-die-qualitaet-des-anmischwassers-so-wichtig-ist\/"},"modified":"2026-06-17T21:45:55","modified_gmt":"2026-06-17T19:45:55","slug":"waarom-de-kwaliteit-van-het-mengwater-zo-belangrijk-is","status":"publish","type":"impuls-news","link":"https:\/\/rhenus.betadevelopment.de\/nl\/warum-die-qualitaet-des-anmischwassers-so-wichtig-ist\/","title":{"rendered":"Waarom de kwaliteit van het mengwater zo belangrijk is"},"content":{"rendered":"<p>De waterkwaliteit kan een gevoelige invloed hebben op de functionaliteit van koelsmeermiddelen in de gebruikstoestand. Het watergehalte in emulsies bedraagt immers 90 % en in oplossingen 95 %. Daarom moet met betrekking tot het mengwater aan bepaalde minimumeisen worden voldaan.<\/p>\n<h3>Minimumeisen voor het mengwater<\/h3>\n<figure><img decoding=\"async\" src=\"https:\/\/rhenus.betadevelopment.de\/wp-content\/uploads\/tabelle-mindestanforderungen1.jpg\" alt=\"Tabel 1: Minimumeisen voor de kwaliteit van het mengwater voor Rhenus Lub-koelsmeermiddelen\"><\/figure>\n<p>De pH-waarde en de totale hardheid zijn bijzonder belangrijk. Een pH-waarde van 7 is optimaal. pH-waarden tot 9 zijn nog steeds aanvaardbaar, zolang er geen andere redenen zijn die tegen het gebruik van dit mengwater pleiten. Bereidingswater met pH-waarden &lt; 6 zijn onaanvaardbaar, omdat zij de pH-waarde van de MWF-emulsie tijdens de verse bereiding kunnen verlagen. Dit resulteert in een verminderde bescherming tegen corrosie.<\/p>\n<p>Niet alleen de pH-waarde is een belangrijke factor voor een optimaal mengwater. De totale hardheid is ook zeer belangrijk. Het is een van de belangrijkste toepassingsparameters.<\/p>\n<p>Als het water te hard is, kunnen de hardheidsbestanddelen in het water reageren met anionische emulgatoren en slecht oplosbare verbindingen vormen - de zogenaamde kalkzepen. De gevolgen: verstopte filters en afzettingen op werkstukken en gereedschappen.<\/p>\n<p>Het mengen van te zacht water is ook nadelig voor emulsies omdat het schuimvorming bevordert.<\/p>\n<p>Als uw mengwater erg zacht is, kunnen wij u speciale producten leveren. In geval van een extreem lage waterhardheid van &lt; 5\u00b0 d, kan de toevoeging van harder leidingwater - indien beschikbaar - helpen. Het is mogelijk het alkalische-aardegehalte van het bereidingswater te wijzigen door toevoeging van Ca2+-bevattende verharders.<\/p>\n<p>Deze vorm van manipulatie is alleen nodig voor verse preparaten, aangezien de totale hardheid van emulsies tijdens het gebruik vanzelf toeneemt. Omgekeerd raden wij aan om bij het mengen van water met een relatief hoge totale hardheid, de afvoerverliezen aan te vullen met gede\u00efoniseerd water (volledig gedemineraliseerd water).<\/p>\n<figure><img decoding=\"async\" src=\"https:\/\/rhenus.betadevelopment.de\/wp-content\/uploads\/ph-wert-teststreifen-600x320-1.jpg\" alt=\"pH-waardetesten voor het meten van de waterkwaliteit van koelvloeistoffen\"><\/figure>","protected":false},"featured_media":12520,"template":"","meta":{"_acf_changed":false},"categories":[66,65],"tags":[89,85],"class_list":["post-12519","impuls-news","type-impuls-news","status-publish","has-post-thumbnail","hentry","category-expertise","category-kuehlschmierstoffe","tag-expertise","tag-kuehlschmierstoffe"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>KSS: Qualit\u00e4t des Anmischwassers | Rhenus Lub<\/title>\n<meta name=\"description\" content=\"Die 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