{"id":9492,"date":"2026-01-26T03:09:05","date_gmt":"2026-01-26T03:09:05","guid":{"rendered":"https:\/\/changhongchemical.com\/?p=9492"},"modified":"2026-04-27T11:16:12","modified_gmt":"2026-04-27T11:16:12","slug":"what-you-need-to-know-about-liquid-silicone-rubber","status":"publish","type":"post","link":"https:\/\/changhongchemical.com\/de\/what-you-need-to-know-about-liquid-silicone-rubber\/","title":{"rendered":"Liquid Silicone Rubber: Properties, Processing, and Common End Uses"},"content":{"rendered":"<p>Liquid silicone rubber is typically evaluated for its balance of heat resistance, flexibility, biocompatibility, and processing efficiency in molded parts. Engineers and buyers usually review curing behavior, viscosity control, molding conditions, and regulatory suitability before adopting it for medical, electrical, or consumer-product use.<\/p>You also find it in fast and clean injection molding. More people are using it all over the world. For example, the market will grow from $2.81 billion in 2023 to $4.97 billion by 2030: People pick it because it is safe, useful, and has special features. <h2>Practical Takeaways<\/h2> <ul> <li>Fl\u00fcssigsilikonkautschuk ist sicher. Es wird in medizinischen und Babyprodukten verwendet. LSR ist stark und kann sich biegen, ohne zu brechen. Es kann sehr hei\u00dfen und sehr kalten Temperaturen standhalten. Es wird in vielen Branchen verwendet, z. B. im Gesundheitswesen und in der Automobilindustrie. LSR ist gut f\u00fcr die Umwelt. Man kann es recyceln. W\u00e4hlen Sie LSR f\u00fcr Projekte, die folgende Anforderungen erf\u00fcllen m\u00fcssen <a href=\"https:\/\/changhongchemical.com\/tpo-free-gel-polish-vs-regular-gel-polish-safety-differences\/\" target=\"_blank\" rel=\"noopener\">sicher und langlebig<\/a>.<\/li> <\/ul> <h2>Was ist Fl\u00fcssigsilikonkautschuk?<\/h2> <h3>LSR Definition und Merkmale<\/h3> Liquid silicone rubber is special for many reasons. It starts as two separate liquids. One liquid is the base. The other has a catalyst. When you mix them, they react and become solid. Platinum is used as the catalyst. This keeps the product clean and safe. Factories use machines to mix the liquids evenly. They use a 1:1 ratio. The mixture goes into a mold. Heat makes the liquid turn solid. This process is called liquid injection molding. Liquid silicone rubber has many unique features. Here are some important ones: Liquid silicone rubber is strong in tough places. It does not smell or taste. You find it in kitchen tools and baby items. It works well in medical devices. It does not cause allergies. It stops bacteria from growing. <h3>LSR vs. andere Materialien<\/h3> Liquid silicone rubber is different from other silicone and rubber types. The main difference is how you make and use them. Liquid silicone rubber uses injection molding. This gives you clean and exact parts. It also makes less waste. Here is a table that shows how liquid silicone rubber compares to high consistency rubber: Liquid silicone rubber stretches more than high consistency rubber. It works better in hot and cold places. You need special machines to make it. The products are very clean and pure. High consistency rubber can be shaped in more ways. But it does not stretch as much. It may not last as long in hard conditions. Here are some things to remember about LSR and other materials: <ul> <li>LSR hat ein regelm\u00e4\u00dfiges Netz von Querverbindungen. Dies verleiht ihm eine bessere Dehnbarkeit.<\/li> <li>LSR erzeugt beim Aush\u00e4rten keine unerw\u00fcnschten Nebenprodukte. Das macht es sicherer.<\/li> <li>Sie k\u00f6nnen LSR zum Gie\u00dfen, Extrudieren oder Spritzgie\u00dfen verwenden. Es funktioniert am besten mit speziellen Maschinen.<\/li> <\/ul> Die neue Technologie hat Fl\u00fcssigsilikonkautschuk noch besser gemacht. Jetzt kann LSR besondere Eigenschaften haben. Einige Beispiele sind selbstschmierende Oberfl\u00e4chen, hohe W\u00e4rmeleitf\u00e4higkeit und antibakterielle Eigenschaften. Fabriken verwenden fortschrittliche Maschinen, um kleine, detaillierte Teile herzustellen. Diese werden in der Elektronik und in medizinischen Ger\u00e4ten verwendet. Diese Ver\u00e4nderungen tragen dazu bei, dass Sie bessere Produkte erhalten. Au\u00dferdem gibt es weniger Abfall und mehr Auswahlm\u00f6glichkeiten. <h2>Eigenschaften und Zusammensetzung von Fl\u00fcssigsilikonkautschuk<\/h2> <h3>Chemische Struktur und Aush\u00e4rtung<\/h3> Liquid silicone rubber has a special chemical structure. Its backbone is made of siloxane. Siloxane is a chain of silicon and oxygen atoms. This makes the material both strong and bendy. The polymer chains have vinyl groups at their ends. When you mix two parts together, these vinyl groups react with silicone oil that has hydrogen. Platinum helps this reaction happen. Here is what happens during curing: <ol> <li>Die Vinylgruppen an den Polymerketten reagieren mit den Si-H-Bindungen des Vernetzers.<\/li> <li>Durch diese Reaktion werden die Ketten miteinander verbunden.<\/li> <li>Das Material wird zu einem festen Netzwerk.<\/li> <\/ol> You can see the main parts in this table: Platinum-cured liquid silicone rubber uses hydrosilylation. This makes the material stronger and better with heat. It also helps factories work faster. Platinum curing keeps molds clean and saves time. Liquid silicone rubber comes in two parts. One part has the platinum catalyst. The other part has methylhydrogensiloxane and an alcohol inhibitor. Long polysiloxane chains are mixed with treated silica. This mix makes the material tough and steady. <h3>Wichtige physikalische Eigenschaften<\/h3> Fl\u00fcssigsilikonkautschuk hat viele wichtige physikalische Eigenschaften. Diese machen es f\u00fcr viele Anwendungen geeignet. <ul> <li>Der hohe Reinheitsgrad bedeutet, dass es f\u00fcr den K\u00f6rper und die Lebensmittel sicher ist. Es enth\u00e4lt keine sch\u00e4dlichen Chemikalien.<\/li> <li>Das Material ist sehr robust und rei\u00dft nicht leicht. Einige Typen ben\u00f6tigen keine zus\u00e4tzliche W\u00e4rme nach dem Formen.<\/li> <li>Bei sensiblen Verwendungszwecken m\u00fcssen Sie fl\u00fcchtige Stoffe unter 0,5% halten. Einige Typen erf\u00fcllen diese Regel bereits.<\/li> <\/ul> Hier sind die wichtigsten Eigenschaften einer Tabelle: <ul> <li>Die Zugfestigkeit gibt an, wie viel Zugkraft das Material aufnehmen kann, bevor es bricht.<\/li> <li>Die Dehnung gibt an, wie weit man es dehnen kann, bevor es rei\u00dft. Einige Typen dehnen sich um mehr als 1.000%.<\/li> <li>Temperaturbest\u00e4ndigkeit bedeutet, dass es von -50\u00b0C bis \u00fcber 250\u00b0C funktioniert.<\/li> <\/ul> Other things like elasticity, compression set, and tear resistance show how well it works. It cures into a strong shape that lasts a long time. Adding things like nanotubes or mineral fillers makes it even stronger and better with heat. Purity is important for special uses. High purity keeps people safe, like in medical tools and baby items. The material does not get hurt by ozone or sunlight. The strong silicone base also helps protect against hits when you add special fillers. <h2>Anwendungen und Einsatzm\u00f6glichkeiten<\/h2> <h3>Industrielle und medizinische Verwendungszwecke<\/h3> Fl\u00fcssigsilikonkautschuk wird in vielen Bereichen eingesetzt <a href=\"https:\/\/changhongchemical.com\/application-areas-and-functions-of-chemical-auxiliaries\/\" target=\"_blank\" rel=\"noopener\">Gro\u00dfindustrien<\/a>. Mehr als 38,3% aller hergestellten LSR werden im Gesundheitswesen und in medizinischen Ger\u00e4ten verwendet. F\u00fcr Dichtungen und O-Ringe werden \u00fcber 35,8% der Gesamtmenge verwendet. Dieses Material wird gew\u00e4hlt, wenn Sicherheit und Vertrauen sehr wichtig sind. <ul> <li>Gesundheitswesen und medizinische Ger\u00e4te (38.3%)<\/li> <li>Dichtungen, Dichtungsringe und O-Ringe (35.8%)<\/li> <\/ul> Doctors use liquid silicone rubber for catheters, implants, and tools. It is also in valves, seals, and gaskets. These items must pass strict rules like ISO 10993 and FDA 21 CFR 177.2600. You can trust these products because they do not cause allergies. They also stop bacteria from growing. The car industry uses more LSR every year. You find it in battery seals, gaskets, and connectors. The use of LSR in cars is rising fast, especially with electric cars. <h3>Verbraucher- und Alltagsprodukte<\/h3> Sie verwenden Dinge, die aus fl\u00fcssigem Silikonkautschuk hergestellt sind <a href=\"https:\/\/changhongchemical.com\/application-areas-and-functions-of-chemical-auxiliaries\/\" target=\"_blank\" rel=\"noopener\">jeden Tag<\/a>. K\u00fcchenger\u00e4te, Babyartikel und tragbare Ger\u00e4te haben oft LSR. Zu Hause und am Arbeitsplatz sieht man Backformen, medizinische Ger\u00e4te und Autoteile. <ul> <li>K\u00fcchenger\u00e4te<\/li> <li>Baby-Produkte<\/li> <li>Tragbare Ger\u00e4te<\/li> <li>Backformen<\/li> <li>Medizinische Ger\u00e4te<\/li> <li>Komponenten f\u00fcr die Automobilindustrie<\/li> <\/ul> Baby items like pacifiers and bottle nipples use LSR. It lasts a long time and stays safe. Silicones that meet FDA and USP Class VI rules do not cause harm. LSR parts can last for many years if used right. They do not get ruined by acids, bases, solvents, or oils. This makes them safe for babies. Food items that touch silicone must follow FDA rules. Silicone must meet 21 CFR Part 177. This keeps food safe from bad chemicals. You can trust silicone that is approved by the FDA for food use. <h2>Vorteile und Benachteiligungen<\/h2> <h3>Vorteile von LSR<\/h3> Liquid silicone rubber has many good points. It is safe and pure. It bends and stretches well. You can use it for medical tools, baby things, and kitchen items. It does not cause allergies or skin problems. Bacteria do not grow on it. It is safe for food and for touching the body. Liquid silicone rubber is great for making lots of parts fast. The first tools cost more, but each part costs less. Look at this table to see how it matches up with other materials: You can make strong parts that last a long time. There is not much waste. Machines do most of the work, so labor costs are low. The shapes come out clean and exact. <h3>Beschr\u00e4nkungen und h\u00e4ufige Missverst\u00e4ndnisse<\/h3> Fl\u00fcssigsilikonkautschuk hat einige Nachteile. Hier sind die wichtigsten davon: <ul> <li>Nicht sehr stark an stark beanspruchten Stellen<\/li> <li>Einige Chemikalien, \u00d6le oder L\u00f6sungsmittel k\u00f6nnen es besch\u00e4digen.<\/li> <li>Es kann schwach werden, wenn es zu hei\u00df wird<\/li> <li>Es haftet nicht gut an anderen Dingen<\/li> <li>Nicht das Beste f\u00fcr elektrische Hochspannungsarbeiten<\/li> <li>Bei der Herstellung k\u00f6nnen Luftblasen oder ungleichm\u00e4\u00dfige Aush\u00e4rtung auftreten<\/li> <li>Spezielle Typen k\u00f6nnen viel kosten<\/li> <\/ul> Manche Leute denken, LSR sei nicht sicher oder k\u00f6nne Allergien ausl\u00f6sen. Studien zeigen jedoch, dass es die Haut nicht verletzt und keine Allergien ausl\u00f6st. Es ist sicherer als Naturlatexkautschuk. Manche glauben, dass er im K\u00f6rper bleibt oder Krankheiten verursacht. Tests zeigen, dass er nicht im K\u00f6rper verbleibt oder das Wachstum von Bakterien f\u00f6rdert. Die FDA sagt, dass er f\u00fcr Lebensmittel und medizinische Zwecke sicher ist. <h2>Sicherheit und Umweltauswirkungen<\/h2> <h3>Gesundheit und Biokompatibilit\u00e4t<\/h3> Sie fragen sich vielleicht, warum <strong>Fl\u00fcssigsilikonkautschuk<\/strong> ist f\u00fcr den Menschen sicher. Viele \u00c4rzte vertrauen diesem Material f\u00fcr Dinge, die lange Zeit im K\u00f6rper verwendet werden. Man findet es in Implantaten und Kathetern. Es ist auch in anderen Ger\u00e4ten enthalten, die in Ihrem K\u00f6rper verbleiben. Hier sind die Gr\u00fcnde, warum es sicher ist: <ul> <li>Sie bleibt an hei\u00dfen oder kalten Orten gleich.<\/li> <li>Sie k\u00f6nnen es mit Hitze oder Strahlung reinigen.<\/li> <li>Es reagiert nicht mit Ihrem K\u00f6rper.<\/li> <li>Es l\u00f6st keine Allergien aus.<\/li> <\/ul> \u00c4rzte und Wissenschaftler pr\u00fcfen in sorgf\u00e4ltigen Schritten, ob das Material sicher ist. Sie erstellen einen Plan, um das Material zu testen. Sie f\u00fchren chemische und biologische Tests durch. Sie schreiben einen Bericht und senden ihn an die FDA. So bleiben die Menschen sicher. <h3>Umweltbezogene \u00dcberlegungen<\/h3> Sie fragen sich vielleicht, was mit <strong>Fl\u00fcssigsilikonkautschuk<\/strong> after you use it. This material lasts a long time. It does not turn into microplastics. It comes from silica, which is a natural mineral. It does not put bad chemicals in the air or water. Some factories try new ways to make silicone better for the planet. They mix it with oils from plants. This uses less energy and fewer chemicals. The final product can break down into silicone oils. You can use these oils again. When you recycle silicone, you have two main choices: <ul> <li><strong>Mechanisches Recycling<\/strong>: Fabriken schneiden und mahlen altes Silikon. Sie verwenden es, um neue Dinge herzustellen. Das spart Energie, aber die Qualit\u00e4t wird nach vielen Versuchen schlechter.<\/li> <li><strong>Chemisches Recycling<\/strong>: Fabriken zerlegen Silikon mit Hitze und Chemikalien in kleine Teile. So k\u00f6nnen sie wieder gute Produkte herstellen. Das verbraucht mehr Energie, tr\u00e4gt aber dazu bei, Abfall und Umweltverschmutzung zu vermeiden.<\/li> <\/ul> <div class=\"qc-divider-wrapper\"> <div class=\"qc-divider\"><\/div> <\/div> Fl\u00fcssigsilikonkautschuk ist stark und l\u00e4sst sich leicht biegen. Es ist f\u00fcr viele Dinge sicher. Man findet es in medizinischen Ger\u00e4ten, Elektronik und K\u00fcchenartikeln. Es wird durch Hitze oder Chemikalien nicht zerst\u00f6rt. LSR ist leicht flie\u00dfend, so dass Fabriken kleine Teile schnell herstellen k\u00f6nnen. Bevor Sie sich f\u00fcr LSR entscheiden, sollten Sie auf die Qualit\u00e4t, den H\u00e4rtegrad und den Reinheitsgrad achten. Holen Sie sich immer technische Datenbl\u00e4tter. Vergewissern Sie sich, dass das Material eine FDA- oder USP-Klasse-VI-Zulassung f\u00fcr die Verwendung in der Medizin oder in Lebensmitteln hat. Wenn Sie sich nicht sicher sind, bitten Sie Lieferanten oder Hersteller um Hilfe. Sie k\u00f6nnen Ihnen helfen, das richtige LSR f\u00fcr Ihr Projekt auszuw\u00e4hlen. <h2>FAQ<\/h2> <h3>Wof\u00fcr wird Fl\u00fcssigsilikonkautschuk haupts\u00e4chlich verwendet?<\/h3> Fl\u00fcssigsilikonkautschuk ist in vielen Dingen enthalten. Man findet es in medizinischen Ger\u00e4ten und Babyprodukten. Es wird auch in K\u00fcchenger\u00e4ten verwendet. Fabriken w\u00e4hlen es, weil es sicher und stark ist. Es l\u00e4sst sich biegen, ohne zu brechen. Man findet es auch in Dichtungen und Dichtungsringen. Auch tragbare Ger\u00e4te verwenden es. <h3>Wodurch unterscheidet sich Fl\u00fcssigsilikonkautschuk von normalem Silikon?<\/h3> Fl\u00fcssigsilikonkautschuk ist zun\u00e4chst eine Fl\u00fcssigkeit. Nach dem Aush\u00e4rten wird es fest. Normales Silikon ist normalerweise ein Feststoff oder ein Gel. LSR wird in einem speziellen Spritzgussverfahren hergestellt. Dadurch werden die Teile sauberer und genauer. <h3>Was sollten Sie pr\u00fcfen, bevor Sie LSR f\u00fcr Ihr Projekt ausw\u00e4hlen?<\/h3> Pr\u00fcfen Sie zun\u00e4chst die G\u00fcteklasse und die H\u00e4rte. Auch die Reinheit ist wichtig. Suchen Sie nach <a href=\"https:\/\/changhongchemical.com\/what-is-an-antifoaming-agent-and-why-you-need-it%EF%BC%9F\/\" target=\"_blank\" rel=\"noopener\">FDA oder medizinische Zulassung<\/a> wenn Sie Sicherheit brauchen. Fragen Sie die Lieferanten nach technischen Datenbl\u00e4ttern. Dies hilft Ihnen bei der Auswahl des besten Typs. <h3>Was sind die Sicherheitsvorteile der Verwendung von LSR?<\/h3> LSR verursacht keine Allergien oder Hautprobleme. Es verhindert das Wachstum von Bakterien. Es reagiert nicht mit Ihrem K\u00f6rper. \u00c4rzte verwenden es f\u00fcr Implantate und Werkzeuge. Sie k\u00f6nnen es f\u00fcr Lebensmittel und Babyartikel verwenden. <h3>Was passiert mit fl\u00fcssigem Silikonkautschuk, wenn man ihn wegwirft?<\/h3> LSR ist lange haltbar. Es verwandelt sich nicht in Mikroplastik. Fabriken k\u00f6nnen <a href=\"https:\/\/changhongchemical.com\/why-ama-monomer-is-the-secret-behind-stronger-plastics\/\" target=\"_blank\" rel=\"noopener\">durch Mahlen recyceln<\/a> oder den Einsatz von Chemikalien. Es verschmutzt weder Luft noch Wasser.<h2>What engineers and buyers usually review<\/h2><ul><li>Viscosity behavior and cure profile during molding or processing.<\/li><li>Heat resistance, compression set, flexibility, and long-term stability.<\/li><li>Regulatory suitability for medical, electrical, or consumer-product use.<\/li><li>Supplier consistency, packaging, and production-support capability.<\/li><\/ul>\n\n\n<p><strong>Related product references:<\/strong> For formulation review or sourcing comparison, see <a href=\"https:\/\/changhongchemical.com\/product\/lcsorb-360-cas-103597-45-1\/\">CHLUMIUV 360<\/a> und <a href=\"https:\/\/changhongchemical.com\/product\/lcsorb-uv-1577-cas-147315-50-2\/\">CHLUMIUV UV-1577<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Liquid silicone rubber is typically evaluated for its balance of heat resistance, flexibility, biocompatibility, and processing efficiency in molded parts. Engineers and buyers usually review curing behavior, viscosity control, molding conditions, and&#8230;<\/p>","protected":false},"author":1,"featured_media":9495,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-9492","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-catalysts-chemical-auxiliary-agents"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Liquid Silicone Rubber: Properties, Processing, and Common End Uses | Changhong Chemical<\/title>\n<meta name=\"description\" content=\"Liquid silicone rubber is typically evaluated for its balance of heat resistance, flexibility, biocompatibility, and processing efficiency in molded...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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