{"id":1574,"date":"2026-05-10T05:52:03","date_gmt":"2026-05-10T09:52:03","guid":{"rendered":"https:\/\/slecotech.com\/?p=1574"},"modified":"2026-07-26T23:05:01","modified_gmt":"2026-07-27T03:05:01","slug":"why-moisture-matters-in-pet-flakes","status":"publish","type":"post","link":"https:\/\/slecotech.com\/de\/why-moisture-matters-in-pet-flakes\/","title":{"rendered":"Warum Feuchtigkeit in PET-Flakes wichtig ist"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.16&#8243; custom_margin=&#8221;-1px|||||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.16&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; min_height=&#8221;865.8px&#8221; custom_margin=&#8221;-15px|auto|2px|auto||&#8221; custom_padding=&#8221;2px|12px|5px|||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; text_font=&#8221;Poppins||||||||&#8221; text_font_size=&#8221;17px&#8221; text_line_height=&#8221;1.9em&#8221; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; custom_margin=&#8221;38px||-64px|||&#8221; custom_padding=&#8221;5px|||||&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>In der PET-Recyclingindustrie ist die Kontrolle des Feuchtigkeitsgehalts einer der wichtigsten Faktoren, die die Qualit\u00e4t des Endprodukts, die Verarbeitungseffizienz und die Produktionskosten beeinflussen. Ein zu hoher Feuchtigkeitsgehalt in PET-Flocken kann zu einem Abbau der Hydrolyse, einer Verringerung der intrinsischen Viskosit\u00e4t (IV), Vergilbung, Blasenbildung und einer instabilen Extrusionsleistung f\u00fchren.<\/p>\n<p>F\u00fcr PET-Recycler und -Hersteller ist die Aufrechterhaltung eines niedrigen Feuchtigkeitsgehalts von entscheidender Bedeutung, um hochwertiges recyceltes PET (rPET) zu produzieren, das sich f\u00fcr Fasern, Folien, Umreifungsb\u00e4nder und lebensmitteltaugliche Anwendungen eignet.<\/p>\n<h1><strong><b>\u00a0<\/b><\/strong><\/h1>\n<p><strong><b><\/b><\/strong><\/p>\n<p><strong><b><\/b><\/strong><\/p>\n<p><strong><b><\/b><\/strong><\/p>\n<p><strong><b><\/b><\/strong><\/p>\n<h1><strong><b>Wie hoch ist der Feuchtigkeitsgehalt von PET-Flocken?<\/b><\/strong><\/h1>\n<p>Der Feuchtigkeitsgehalt bezieht sich auf die Wassermenge, die nach dem Waschen und Trocknen im Inneren oder auf der Oberfl\u00e4che der PET-Flocken verbleibt.<\/p>\n<p>Der Feuchtigkeitsgehalt wird in der Regel in gemessen:<\/p>\n<p>ppm (Teile pro Million)<\/p>\n<p>Prozentsatz (%)<\/p>\n<p>F\u00fcr eine hochwertige PET-Verarbeitung wird in der Regel ein Feuchtigkeitsgehalt empfohlen:<\/p>\n<p>Unterhalb von 1%<\/p>\n<p>Vorzugsweise unter 500 ppm vor der Extrusion<\/p>\n<p>Unter 50 ppm f\u00fcr lebensmitteltaugliche Anwendungen<\/p>\n<ol><\/ol>\n<p><!-- \/divi:paragraph --><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.16&#8243; custom_margin=&#8221;||-14px|||&#8221; custom_padding=&#8221;3px||0px|||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.16&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; text_font_size=&#8221;17px&#8221; text_line_height=&#8221;1.9em&#8221; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; custom_margin=&#8221;||-8px|||&#8221; custom_padding=&#8221;||0px|||&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; text_font=&#8221;Poppins|500|||||||&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<h1><strong><b>Warum \u00fcbersch\u00fcssige Feuchtigkeit ein ernstes Problem ist<\/b><\/strong><\/h1>\n<h3><strong><b>1. Hydrolyse-Abbau<\/b><\/strong><\/h3>\n<p>PET ist bei hohen Verarbeitungstemperaturen sehr empfindlich gegen\u00fcber Feuchtigkeit.<\/p>\n<p>W\u00e4hrend der Extrusion brechen die Wassermolek\u00fcle die Polymerketten durch Hydrolysereaktionen auf, was zu einer Verringerung des Molekulargewichts f\u00fchrt.<\/p>\n<p>Dies verursacht:<\/p>\n<ul>\n<li>Niedrigere intrinsische Viskosit\u00e4t (IV)<\/li>\n<li>Reduzierte mechanische Festigkeit<\/li>\n<li>Schlechte Schmelzstabilit\u00e4t<\/li>\n<li>Minderwertige Produktqualit\u00e4t<\/li>\n<\/ul>\n<p><!-- \/divi:paragraph --><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;2_5,3_5&#8243; _builder_version=&#8221;4.16&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;2_5&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; text_font_size=&#8221;17px&#8221; text_line_height=&#8221;1.9em&#8221; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; custom_margin=&#8221;|-97px||||&#8221; custom_padding=&#8221;|0px||||&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; text_font=&#8221;Poppins|500|||||||&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<h3><strong><b>2. Vergilbung und schwarze Flecken<\/b><\/strong><\/h3>\n<p>Ein hoher Feuchtigkeitsgehalt kann die thermische Zersetzung w\u00e4hrend der Extrusion beschleunigen.<\/p>\n<p>Mit zunehmender Zersetzung kann recyceltes PET entstehen:<\/p>\n<ul>\n<li>Gelbe Verf\u00e4rbung<\/li>\n<li>Schwarze Flecken<\/li>\n<li>Kontamination durch verbranntes Material<\/li>\n<\/ul>\n<p>Diese M\u00e4ngel mindern den Handelswert von rPET-Produkten erheblich.<\/p>\n<p><!-- \/divi:paragraph --><\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;3_5&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_image src=&#8221;https:\/\/slecotech.com\/wp-content\/uploads\/2026\/05\/causing-yellowing-black-specks.png&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; width=&#8221;91.3%&#8221; min_height=&#8221;404px&#8221; custom_margin=&#8221;-94px||15px|||&#8221; custom_padding=&#8221;0px||0px|152px||&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.16&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; text_font_size=&#8221;17px&#8221; text_line_height=&#8221;1.9em&#8221; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; custom_margin=&#8221;||-8px|||&#8221; custom_padding=&#8221;||0px|||&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; text_font=&#8221;Poppins|500|||||||&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<h2><strong><b>3. Blasenbildung beim Strangpressen<\/b><\/strong><\/h2>\n<p>Die Restfeuchte verdampft bei hohen Temperaturen und erzeugt Blasen und Hohlr\u00e4ume im Schmelzfluss.<\/p>\n<p>Dies kann dazu f\u00fchren:<\/p>\n<ul>\n<li>Oberfl\u00e4chenfehler<\/li>\n<li>Instabile Blattproduktion<\/li>\n<li>Schwache Filmstruktur<\/li>\n<li>Mangelnde Transparenz<\/li>\n<\/ul>\n<h2><strong><b>\u00a0<\/b><\/strong><\/h2>\n<h3><strong><b>4. Verminderte Produktionseffizienz<\/b><\/strong><\/h3>\n<p>Feuchtigkeitsbedingte Instabilit\u00e4t ist h\u00e4ufig die Ursache:<\/p>\n<p>H\u00e4ufige Maschinenstillst\u00e4nde<\/p>\n<p>Verstopfung des Filters<\/p>\n<p>Instabiler Druck<\/p>\n<p>Erh\u00f6hter Energieverbrauch<\/p>\n<p>Infolgedessen m\u00fcssen die Hersteller mit h\u00f6heren Betriebskosten und geringerer Produktivit\u00e4t rechnen.<\/p>\n<p><!-- \/divi:paragraph --><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.16&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; min_height=&#8221;3274.8px&#8221; custom_margin=&#8221;-15px|auto|-11px|auto||&#8221; custom_padding=&#8221;2px||0px|||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; text_font=&#8221;Poppins|500|||||||&#8221; text_font_size=&#8221;17px&#8221; text_line_height=&#8221;1.9em&#8221; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; min_height=&#8221;3004.9px&#8221; custom_margin=&#8221;132px||1px|||&#8221; custom_padding=&#8221;9px|||||&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<h1><strong><b>Wie sich Feuchtigkeit auf lebensmittelechtes rPET auswirkt<\/b><\/strong><\/h1>\n<p>Recyceltes PET in Lebensmittelqualit\u00e4t erfordert extrem strenge Qualit\u00e4tsstandards.<\/p>\n<p>Selbst geringe Mengen an Feuchtigkeit k\u00f6nnen sich negativ auswirken:<\/p>\n<ul>\n<li>IV-Stabilit\u00e4t<\/li>\n<li>Bildung von Acetaldehyd<\/li>\n<li>Transparenz<\/li>\n<li>Geruchsleistung<\/li>\n<li>Einhaltung der Lebensmittelsicherheit<\/li>\n<\/ul>\n<p>Daher sind fortschrittliche Trocknungssysteme f\u00fcr lebensmittelgeeignete PET-Recyclinganlagen unerl\u00e4sslich.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h1><strong><b>H\u00e4ufige Feuchtigkeitsquellen beim PET-Recycling<\/b><\/strong><\/h1>\n<h3><strong><b>Waschvorgang<\/b><\/strong><\/h3>\n<p>Nach dem Hei\u00df- und Friktionswaschen behalten PET-Flakes die Oberfl\u00e4chenfeuchtigkeit.<\/p>\n<h3><strong><b>Unzureichende Entw\u00e4sserung<\/b><\/strong><\/h3>\n<p>Bei unzureichender Zentrifugalentw\u00e4sserung kann vor der thermischen Trocknung \u00fcbersch\u00fcssige Feuchtigkeit zur\u00fcckbleiben.<\/p>\n<h3><strong><b>Schlechte Auslegung des Trocknungssystems<\/b><\/strong><\/h3>\n<p>Eine niedrige Trocknungstemperatur oder eine unzureichende Verweilzeit k\u00f6nnen einen vollst\u00e4ndigen Feuchtigkeitsentzug verhindern.<\/p>\n<h3><strong><b>Unsachgem\u00e4\u00dfe Lagerungsbedingungen<\/b><\/strong><\/h3>\n<p>PET-Flakes k\u00f6nnen w\u00e4hrend der Lagerung und des Transports Feuchtigkeit aus feuchten Umgebungen aufnehmen.<\/p>\n<h1><strong><b>\u00a0<\/b><\/strong><\/h1>\n<p><strong><b><\/b><\/strong><\/p>\n<p><strong><b><\/b><\/strong><\/p>\n<p><strong><b><\/b><\/strong><\/p>\n<p><strong><b><\/b><\/strong><\/p>\n<h1><strong><b>Wie man die Feuchtigkeit in PET-Flocken reduziert<\/b><\/strong><\/h1>\n<h3><strong><b>1. Effizientes Entw\u00e4sserungssystem<\/b><\/strong><\/h3>\n<p>Eine Hochgeschwindigkeits-Zentrifugalentw\u00e4sserungsmaschine kann die Oberfl\u00e4chenfeuchtigkeit vor der thermischen Trocknung erheblich reduzieren.<\/p>\n<h3><strong><b>2. Hei\u00dfluft-Trocknungssystem<\/b><\/strong><\/h3>\n<p>Hei\u00dfluftleitungen und thermische Trocknungsanlagen tragen zu einem niedrigen Endfeuchtigkeitsgehalt bei.<\/p>\n<h3><strong><b>3. Kristallisation und Entfeuchtung Trocknung<\/b><\/strong><\/h3>\n<p>Bei Anwendungen im Lebensmittelbereich werden h\u00e4ufig Entfeuchtungstrockner eingesetzt, um einen extrem niedrigen Feuchtigkeitsgehalt zu erreichen.<\/p>\n<h3><strong><b>4. Richtige Lagerung des Materials<\/b><\/strong><\/h3>\n<p>PET-Flakes sollten in trockenen, geschlossenen R\u00e4umen gelagert werden, um die Aufnahme von Feuchtigkeit zu verhindern.<\/p>\n<h1><strong><b>\u00a0<\/b><\/strong><\/h1>\n<p><strong><b><\/b><\/strong><\/p>\n<p><strong><b><\/b><\/strong><\/p>\n<p><strong><b><\/b><\/strong><\/p>\n<p><strong><b><\/b><\/strong><\/p>\n<h1><strong><b>Empfohlene Feuchtigkeitsgrade f\u00fcr verschiedene Anwendungen<\/b><\/strong><\/h1>\n<table>\n<tbody>\n<tr>\n<td><strong><b>Anmeldung<\/b><\/strong><\/td>\n<td><strong><b>Empfohlene Luftfeuchtigkeit<\/b><\/strong><\/td>\n<\/tr>\n<tr>\n<td>PET-Faserqualit\u00e4t<\/td>\n<td>&lt; 1000 ppm<\/td>\n<\/tr>\n<tr>\n<td>Plattenextrusion<\/td>\n<td>&lt; 500 ppm<\/td>\n<\/tr>\n<tr>\n<td>Bottle-to-Bottle-Recycling<\/td>\n<td>&lt; 50 ppm<\/td>\n<\/tr>\n<tr>\n<td>Lebensmittelgeeignetes rPET<\/td>\n<td>&lt; 30-50 ppm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h1><strong><b>\u00a0<\/b><\/strong><\/h1>\n<p><strong><b><\/b><\/strong><\/p>\n<p><strong><b><\/b><\/strong><\/p>\n<p><strong><b><\/b><\/strong><\/p>\n<p><strong><b><\/b><\/strong><\/p>\n<h1><strong><b>Die Bedeutung moderner PET-Recyclinganlagen<\/b><\/strong><\/h1>\n<p>Moderne PET-Recyclinganlagen integrieren:<\/p>\n<ul>\n<li>Waschen durch Reibung<\/li>\n<li>Zentrifugale Entw\u00e4sserung<\/li>\n<li>Hei\u00dflufttrocknung<\/li>\n<li>Zick-Zack-Trennung<\/li>\n<li>Intelligente Feuchtigkeitskontrollsysteme<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>Diese Technologien helfen den Verwertern, ihre Ziele zu erreichen:<\/p>\n<ul>\n<li>Stabile Produktqualit\u00e4t<\/li>\n<li>Geringerer Energieverbrauch<\/li>\n<li>H\u00f6here Produktionseffizienz<\/li>\n<li>Bessere Wettbewerbsf\u00e4higkeit auf dem Markt<\/li>\n<\/ul>\n<h1><strong><b>\u00a0<\/b><\/strong><\/h1>\n<p><strong><b><\/b><\/strong><\/p>\n<p><strong><b><\/b><\/strong><\/p>\n<p><strong><b><\/b><\/strong><\/p>\n<p><strong><b><\/b><\/strong><\/p>\n<h1><strong><b>Schlussfolgerung<\/b><\/strong><\/h1>\n<p>Die Kontrolle der Feuchtigkeit ist ein entscheidender Faktor beim PET-Recycling und wirkt sich direkt auf die Produktqualit\u00e4t, die Extrusionsstabilit\u00e4t und die Rentabilit\u00e4t aus.<\/p>\n<p>Da die Nachfrage nach hochwertigem rPET weltweit weiter steigt, werden Investitionen in fortschrittliche Trocknungs- und Feuchtigkeitskontrolltechnologien f\u00fcr Recyclingunternehmen immer wichtiger.<\/p>\n<p>Sie suchen eine hocheffiziente PET-Recyclingl\u00f6sung?<br \/>Kontakt <strong><span><em><span style=\"text-decoration: underline;\"><a href=\"https:\/\/slecotech.com\/de\/\">Stromlinie Eco Tech <\/a><\/span><\/em><\/span><\/strong>um mehr \u00fcber unsere fortschrittlichen PET-Wasch- und Trocknungssysteme zu erfahren.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"955\" height=\"354\" src=\"https:\/\/slecotech.com\/wp-content\/uploads\/2026\/05\/Moisture-control-is-the-key.jpg\" alt=\"\" class=\"size-medium aligncenter\" \/><\/p>\n<ol><\/ol>\n<p><!-- \/divi:paragraph --><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n<div class=\"sle-seo-enhance\" style=\"max-width:1280px;margin:32px auto;padding:0 28px;color:#0b1220;\">\n<!--SLE-SEO-POST--><\/p>\n<h2>H\u00e4ufig gestellte Fragen<\/h2>\n<h3>Was ist eine PET-Waschanlage und wozu dient sie?<\/h3>\n<p>Eine PET-Waschanlage reinigt gebrauchte Flaschen und wandelt sie in hei\u00df gewaschene Flocken um, die f\u00fcr die Pelletierung bereit sind. Zu den typischen Prozessschritten geh\u00f6ren das Entfernen der Etiketten, das Kalt- und Hei\u00dfwaschen, das Reibeschrubben, das Sp\u00fclen, das Trennen und das Trocknen.<\/p>\n<h3>Hei\u00dfwaschen oder Kaltwaschen \u2013 was brauche ich?<\/h3>\n<p>Das Hei\u00dfwaschen mit Lauge entfernt Klebstoffe, \u00d6le und R\u00fcckst\u00e4nde besser und wird f\u00fcr lebensmitteltaugliches oder hochwertiges PET bevorzugt. Das Kaltwaschen verbraucht weniger Energie und eignet sich f\u00fcr leichtere Verschmutzungen. Die richtige Wahl h\u00e4ngt von Ihrem Ausgangsmaterial und Ihrem Endmarkt ab.<\/p>\n<h3>Welche Verunreinigungen muss eine Waschlinie entfernen?<\/h3>\n<p>Etiketten und Kleber, Lebensmittel- und \u00d6lr\u00fcckst\u00e4nde, Verschl\u00fcsse und Ringe sowie Fremdstoffe aus Kunststoff oder Metall. Hochwertige Anlagen kombinieren Waschen, Dichtesortierung und Metallentfernung, um die Reinheitsanforderungen f\u00fcr Flocken zu erf\u00fcllen.<\/p>\n<h2>Zugeh\u00f6rige Ausr\u00fcstung<\/h2>\n<ul>\n<li><a href=\"https:\/\/slecotech.com\/de\/products-streamline-eco-tech\/\">Alle SLECOTECH-Ger\u00e4te<\/a><\/li>\n<li><a href=\"https:\/\/slecotech.com\/de\/product\/plastic-crusher-c-series\/\">Kunststoffbrecher (C-Serie)<\/a><\/li>\n<li><a href=\"https:\/\/slecotech.com\/de\/contact-streamline-eco-tech\/\">Angebot anfordern<\/a><\/li>\n<\/ul>\n<\/div>\n<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What is a PET washing line and what does it do?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"A PET washing line cleans post-consumer bottles into hot-washed flakes ready for pelletising. Stages typically include label removal, cold and hot washing, friction scrubbing, rinsing, separation and drying.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Hot washing vs cold washing - which do I need?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Hot washing with caustic better removes glues, oils and residues and is preferred for food-grade or high-value PET. Cold washing uses less energy and suits lighter contamination. The right choice depends on your input and end market.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What contaminants must a washing line remove?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Labels and glue, food and oil residues, caps and rings, and foreign plastics or metals. Good lines combine washing, density separation and metal removal to hit flake purity specs.\"\n            }\n        }\n    ]\n}<\/script><\/p>","protected":false},"excerpt":{"rendered":"<p>Streamline Eco Tech bietet fortschrittliche PET-Recyclingl\u00f6sungen zur Verbesserung der Flockenqualit\u00e4t, zur Reduzierung des Feuchtigkeitsgehalts und zur Steigerung der Produktionseffizienz.<\/p>","protected":false},"author":2,"featured_media":1577,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"<!-- wp:paragraph -->\n<p><strong><strong>1. Overview of Single-Shaft Shredders<\/strong><\/strong><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>The single-shaft shredder is an industrial crushing device designed with a single rotating shaft and blades. Driven by a motor, it cuts, tears, and grinds materials. Compact in structure and highly adaptable, it is widely used to process plastics, wood, rubber, thin metal sheets, and more, particularly in small-to-medium-scale waste recycling scenarios.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:image {\"id\":112,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-full\"><img src=\"http:\/\/49.51.38.20\/wp-content\/uploads\/2025\/01\/Single-shaft-shredder-1.png\" alt=\"\" class=\"wp-image-112\"\/><\/figure>\n<!-- \/wp:image -->\n\n<!-- wp:paragraph -->\n<p><strong>2. 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