Platinum Cured Silicone Rubber : Top 5 Benefits & Applications

Platinum silicone is rapidly becoming the material of choice in modern manufacturing due to its exceptional purity, durability, and biocompatibility. Unlike other types of silicone rubber, platinum curing ensures a cleaner, safer product, making it ideal for critical applications in the medical, food, and aerospace industries.

With the global silicone market projected to reach over $20 billion by 2027, the demand for high-quality, reliable materials like platinum cured silicone is on the rise. At Elastostar Rubber Corporation, we specialize in producing custom rubber tubing and other products using this advanced material, ensuring superior performance for your specific needs. In this blog, we’ll explore the key benefits and wide-ranging applications of platinum cured silicone rubber.

What is Platinum Cured Silicone Rubber?  

Platinum cured silicone rubber is a type of silicone that undergoes a curing process using platinum as a catalyst. This curing method, also known as addition curing, results in a highly pure and durable silicone material, free from by-products that are typically associated with other curing processes like peroxide curing.

Platinum cured silicone is renowned for its superior properties, including high flexibility, excellent temperature resistance, and biocompatibility, making it ideal for use in industries such as medical devices, food processing, electronics, and aerospace.

The absence of harmful chemicals or residues in the final product ensures that platinum silicone is safe for applications where contamination must be avoided.This material is particularly favored in applications where purity, longevity, and performance are critical, and it stands out as a premium choice among silicone rubbers.

Top 8 Benefits of Platinum-Cured Silicone Rubber  

1. High Purity and Safety
Platinum-cured silicone is known for its high purity because the platinum curing process eliminates harmful by-products. This makes platinum silicone exceptionally safe for use in sensitive applications like medical devices and food-grade products, where contamination must be avoided.

2. Excellent Temperature Resistance
One of the standout features of platinum-cured silicone is its ability to withstand extreme temperatures, both hot and cold. Whether exposed to high heat or freezing conditions, platinum silicone retains its properties, making it an ideal material for applications in industries like aerospace and automotive.

3. Superior Flexibility and Elasticity
Platinum-cured silicone maintains its flexibility and elasticity across a wide range of conditions. This flexibility is crucial for seals and gaskets, which need to adapt to different surfaces and maintain a tight seal, even under pressure. Platinum cured silicone tubes are particularly valued in industries where durable, flexible tubing is required.

4. Durability and Longevity
Thanks to its resistance to aging, UV light, and chemicals, platinum cured silicone offers exceptional durability. This makes it a long-lasting solution for outdoor applications or environments where the material is exposed to harsh conditions.

5. Biocompatibility
The non-reactive nature of platinum cured silicone makes it highly biocompatible, which is why it’s often used in medical implants and devices. Its ability to remain stable and non-toxic inside the human body ensures that it meets the rigorous standards required in the medical field.

6. Low Compression Set
A low compression set means that platinum cured silicone can return to its original shape after being compressed. This property is vital for seals, as it ensures that they maintain their integrity and effectiveness over time, even after prolonged use.

7. Electrical Insulation

Platinum-cured silicone provides excellent electrical insulation, making it ideal for use in electronics and electrical applications where reliable insulation is crucial.  

8. Customization Flexibility It can be easily molded and extruded into complex shapes, making it highly customizable for specific application needs.  

Additional Benefits of Platinum Cured Silicone Rubber  

BenefitDescription
High Tear StrengthProvides robust resistance to tearing, ensuring durability in demanding applications.
Excellent Translucency for More VisibilityOffers clear or translucent material, beneficial for applications requiring visual inspection.
Non-YellowingMaintains its appearance without discoloration over time, even under UV exposure.
No Peroxide By-productsFree from peroxide residues, making it safer for sensitive and clean applications.
Highly HydrophobicRepels water effectively, making it ideal for environments where moisture resistance is essential.
Extended Life in Peristaltic PumpsExhibits superior performance in peristaltic pumps, thereby extending the lifespan of the equipment.

What are the Applications of Platinum-Cured Silicone Rubber?  

Medical and Healthcare
Platinum cured silicone is widely used in the medical and healthcare industries due to its biocompatibility and safety. This material is ideal for making medical devices, implants, and prosthetics where purity and non-toxicity are critical.

For instance, surgical rubber tubing made from platinum cured silicone is preferred in hospitals because it is safe for direct contact with human tissue and fluids, reducing the risk of contamination or adverse reactions.

Food and Beverage Industry
In the food and beverage industry, platinum cured silicone is used in applications where non-toxicity and high purity are essential. This includes food-grade tubing, seals, and molds, all of which require materials that do not leach harmful substances into food or beverages.

The flexibility and durability of platinum cured silicone tubes make them a top choice for manufacturers who need reliable, long-lasting components that meet strict safety standards.

Automotive and Aerospace
The automotive and aerospace industries rely on platinum cured silicone for its excellent temperature resistance and durability. This material is used to manufacture high-performance seals, gaskets, and hoses that must withstand extreme temperatures and harsh environmental conditions.

The flexibility of platinum cured silicone ensures that these components maintain their integrity and performance under the demanding conditions typically found in these industries.

Electronics and Electrical Insulation
Platinum cured silicone plays a crucial role in the electronics industry, particularly in flexible rubber tubing and insulation materials. Its excellent electrical insulation properties make it ideal for protecting sensitive electronic components from environmental factors such as moisture, heat, and chemicals.

Additionally, sponge rubber tubing made from platinum cured silicone provides both cushioning and protection, which is essential in delicate electronic assemblies.

PropertyPlatinum Cured SiliconePeroxide Cured SiliconeEPDM
Temperature ResistanceExcellent (-50°C to +230°C)Good (-40°C to +200°C)Moderate (-40°C to +150°C)
Chemical ResistanceHigh resistance to most chemicalsModerate resistanceGood resistance to acids/alkalis
DurabilitySuperior, with excellent aging propertiesGood, but may require post-curingGood, especially in outdoor conditions
BiocompatibilityExcellent, suitable for medical applicationsModerate, may require additional processingNot typically biocompatible

Platinum-Cured Silicone vs. Peroxide-Cured Silicone  

But which one should you choose? Let’s see into the key differences

Purity and Safety
When it comes to purity, platinum cured silicone rubber stands out as the superior choice. The platinum curing process produces a silicone that is free from harmful by-products, making it highly suitable for medical, food-grade, and pharmaceutical applications.

In contrast, peroxide cured silicone may contain residual by-products that could pose safety concerns in sensitive environments. This difference in purity makes platinum cure silicone rubber the preferred material when safety and cleanliness are paramount.

Performance Differences
Platinum cured silicone excels in high-temperature applications and offers greater longevity compared to peroxide cured silicone. With a broader temperature range, platinum cured silicone rubber can withstand extreme conditions without degrading, making it ideal for demanding applications in industries such as automotive, aerospace, and electronics.

Additionally, the durability of platinum cure silicone ensures that seals, gaskets, and other components retain their flexibility and performance over time, even in harsh environments.

Environmental Impact
The environmental benefits of using platinum cured silicone are significant. Unlike peroxide cured silicone, which may release harmful by-products during the curing process, platinum cured silicone rubber is produced in a cleaner, more environmentally friendly manner.

This absence of harmful residues not only makes it safer for users but also reduces the environmental impact of manufacturing and disposing of silicone products. For companies focused on sustainability, platinum cure silicone is the more responsible choice.

Platinum-cured silicone is increasingly used in emerging technologies like wearables, robotics, and renewable energy due to its flexibility, durability, and biocompatibility. As sustainability becomes crucial, platinum cure silicone rubber is favored for its eco-friendly production and lack of harmful by-products. Key advancements include:

  • Enhanced Flexibility & Strength: New technologies are boosting the material’s performance.
  • Increased Adoption: Industries are turning to platinum-cured silicone for its superior properties.
  • Sustainable Manufacturing: Focus on reducing environmental impact through cleaner production processes.

These developments are positioning platinum-cured silicone as an essential material for the future.

How Elastostar Customizes Rubber Tubing Solutions

At Elastostar Rubber Corporation, we specialize in creating custom platinum-cured silicone tubing solutions, meticulously designed to meet the specific demands of industries such as medical, food, automotive, and more.

Our dedication to quality ensures that each product undergoes rigorous testing to meet the highest standards of performance, safety, and durability. As leading manufacturers of medical-grade silicone rubber tubing, we take pride in using superior materials and precision manufacturing to deliver products that exceed expectations.

We offer a wide range of custom-made products, including silicone rubber cord profiles, platinum-cured rubber tubing, vulcanized silicone O-Rings, and more, custom  to your exact specifications. Our products are trusted across various sectors, from aerospace and pharmaceuticals to construction and defense.

At Elastostar, we work closely with our clients to select the best rubber materials and provide robust customer service throughout the process. With a proven track record of success and a commitment to innovation, Elastostar is your trusted partner for all your custom silicone needs.

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Platinum silicone stands out for its unparalleled purity, durability, and versatility, making it the material of choice for industries ranging from medical to automotive. Its ability to withstand extreme temperatures, resist chemicals, and maintain flexibility over time ensures reliable performance in the most demanding applications. Whether you need customized rubber tubing or high-performance seals, platinum-cured silicone offers the benefits that can elevate your project to the next level.

For more use and application, please contact us with your details or Email us at info@elastostar.com or call us at 614-841-4400. We will help you to explore more ways to utilize our products for your special purpose.

FAQs

What are the key benefits of platinum cured silicone rubber? 

Platinum-cured silicone rubber offers several benefits, including high purity, superior durability, excellent temperature resistance, and biocompatibility. These properties make it ideal for sensitive applications in the medical, food, and automotive industries, ensuring long-lasting performance without the risk of contamination.

At Elastostar Rubber Corporation, we provide high-quality platinum-cured silicone products that meet the rigorous demands of these industries, ensuring both safety and reliability.

How does the platinum curing process differ from peroxide curing? 

The platinum curing process uses platinum as a catalyst, resulting in a purer silicone with no harmful by-products. This process makes platinum-cured silicone suitable for medical and food-grade applications, whereas peroxide-cured silicone might leave residuals that could be harmful in sensitive environments.

Is platinum silicone better than regular silicone? 

Yes, platinum silicone is generally better for applications requiring high purity, flexibility, and resistance to extreme temperatures. Its biocompatibility and lack of toxic by-products make it preferable in medical and food industries compared to regular peroxide-cured silicone.

How long does platinum cured silicone last in industrial applications? 

Platinum cured silicone is known for its durability and longevity, often outlasting other materials in harsh environments. Its resistance to aging, UV light, and chemicals ensures that it remains effective for extended periods, especially in demanding industrial applications. 

Elastostar’s platinum-cured silicone products are designed to offer this long-lasting performance, making them a reliable choice for your industrial needs.

Can platinum cured silicone be customized for specific applications? 

Yes, platinum cured silicone can be customized in terms of shape, size, and properties to meet specific industrial needs. At Elastostar, we specialize in providing custom solutions, including flexible rubber tubing and silicone seals, specific to unique client requirements. Our expertise ensures that you get the right product for your specific application.

What makes platinum cured silicone rubber environmentally friendly? 

The platinum curing process does not produce harmful by-products, making platinum cured silicone a more environmentally friendly option. Additionally, it has a long lifespan and can be used in applications that demand high performance with minimal environmental impact.

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Elastostar Rubber Corporation is an industry leader in silicone manufacturing to help our customers in achieving sustained profitable growth as a problem solver and provider of high-quality products and services.

We provide design, engineering and manufacturing of elastomer products to our customers globally backed by our streamlined and innovative supply chain compliant with global and regional regulatory requirements.