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  • ​The Future of Custom Rubber: Innovations in Smart & Sustainable Materials

    Rubber isn’t what it used to be—and that’s a good thing. For decades, rubber was seen as a dependable, if unremarkable, material. It sealed, cushioned, gripped and flexed—doing its job quietly in everything from automotive systems to consumer products. But today, advances in material science are pushing rubber far beyond its traditional roles. Engineers and manufacturers are now working with elastomers that can conduct electricity, repair themselves, respond to pressure and even reduce environmental impact. 

    With a legacy of solving complex molding challenges and a deep understanding of materials, Custom Rubber Corp. is seeing how smarter, more sustainable rubber is changing the way products are developed and manufactured. This transformation is more than just a material upgrade—it’s a shift in how rubber supports innovation at every level of product design. 


    How Rubber Is Evolving to Meet New Demands

    Across industries, environmental mandates are tightening, demanding materials that are cleaner to produce and easier to recycle. Product timelines are accelerating, while components are expected to do more with less space and weight. Meanwhile, ongoing supply chain unpredictability has made flexibility and material availability a top concern. 

    Rubber has adapted quickly. New elastomer compounds are lighter, more durable and capable of delivering multifunctional performance, from vibration control to chemical resistance to EMI shielding. As expectations rise to innovate faster and cleaner, advanced rubber materials are stepping up to deliver both the performance and the purpose that modern products require. 

     

    Unlocking New Capabilities in Rubber Materials 

    The definition of what rubber can do is shifting. No longer limited to sealing, cushioning or insulating, rubber materials are being engineered to perform advanced functions—enabling smarter, more efficient and more adaptive products. Emerging material innovations include:
     
    • Self-healing rubber: Built for longevity, these materials can recover from minor cuts, abrasions or fatigue, making them ideal for dynamic components like gaskets and seals that endure repeated stress. Their ability to repair themselves in use means fewer failures and less frequent maintenance. 
    • Conductive and piezoresistive rubber: These compounds combine flexibility with electrical functionality. By detecting pressure or transmitting signals, they’re critical in applications like soft-touch controls, medical sensors and wearable technology. 
    • Shape-memory elastomers: Capable of changing shape or mechanical behavior in response to stimuli like heat or pressure, these materials allow components to adapt in real-time—ideal for industries requiring flexibility and transformation, such as aerospace or advanced mobility.
    Industries like consumer electronics, transportation and medical technology are already adopting these materials to create products that are more responsive, efficient and durable. As these materials become more accessible, early supplier involvement will be critical. With the right partnership, new material capabilities can translate into real competitive advantages—from faster launches to longer product lifespans. 

     

    The Rise of Bio-Based and Circular Rubber 

    Sustainability is reshaping the materials landscape, and rubber is no exception. Whether driven by policy mandates or internal ESG goals, more companies are seeking elastomers that reduce environmental impact without compromising performance. Two primary paths are gaining traction: 
    • Bio-based rubber: Derived from renewable resources like soy, dandelion roots or castor oil, these materials offer a lower-carbon alternative to traditional petroleum-based elastomers. They’re especially attractive to brands seeking more sustainable supply chains or aiming to reduce Scope 3 emissions. 
    • Recycled and reprocessed rubber: Post-industrial and post-consumer rubber waste can be reclaimed and integrated into new products, supporting circularity goals and reducing landfill contributions. These materials are increasingly used in non-critical applications where surface finish or precision isn’t the top priority. 
    The benefits are clear: lower emissions, enhanced brand perception and the ability to support circular product strategies. But these materials come with their own set of challenges. Some bio-based rubbers don’t yet match the durability or flexibility of synthetic counterparts, and recycled content can bring variability that’s tough to control in high-spec environments. Cost and supply chain volatility can also complicate adoption. 

    Despite these limitations, bio-based and recycled rubbers are already proving useful in a range of applications—particularly in consumer products, limited-life items or components where performance needs are secondary to sustainability goals. 

     

    How to Explore New Materials Without Risking Your Product 

    Trying new materials doesn’t have to mean starting from scratch—or putting product reliability at risk. With the right approach, engineers can experiment while keeping critical production on track. Here’s a low-risk way to explore new rubber compounds: 
    • Check feasibility early: Before investing in new tooling or full design changes, verify that the material is likely to meet your needs. Look at mechanical specs, operating environment and part complexity. 
    • Prototype in limited volumes: Start with short-run tooling to validate the material’s behavior before scaling up. This allows for early detection of any molding, bonding or finishing issues. 
    • Use comparative testing: Benchmark new materials side by side with your current compound. Key criteria often include tensile strength, tear resistance, durometer, temperature range and chemical compatibility. 
    This process ensures that innovation is data-driven—not a leap of faith. It also builds internal confidence that new materials won’t introduce late-stage surprises or compromise field performance. 

     

    Designing for the Future Starts Now 

    The next era of rubber is already taking shape. Smart rubber that reacts to stimuli, hybrids that offer both structure and conductivity and recyclable compounds that support greener product lifecycles are no longer concepts on the horizon. They’re showing up in prototypes and early-stage applications today. 

    For product developers, this is more than a materials shift—it’s a creative shift. Designing for the future calls for thinking across boundaries: function and form, performance and purpose. But pushing into new material territory doesn’t mean abandoning what works. It means expanding the toolkit—testing smart, choosing thoughtfully and keeping an open mind. The best innovations often come from incremental changes made with purpose and clarity. 

     

    Ready for What’s Next? 

    Rubber is getting smarter, greener and more capable every day. As these technologies move from the lab to the production floor, the opportunity to rethink what’s possible is growing fast. 

    At Custom Rubber Corp., we guide teams through new material decisions every day, balancing innovation with real-world performance and timelines. We know the difference between what’s promising and what’s production-ready — and we know how to move from first conversation to functional part without slowing you down. 

    If you're exploring new materials, rethinking your supply chain or just looking for a smarter solution, we’re here to support your next move

     
    Posted Friday, May 30, 2025 by: Carla Crawford
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  • Custom Rubber Focusing on Employees - Now and in the Future

    Custom Rubber Corp. President, Charlie Braun, was recently selected by their insurance carrier Acuity to share some thoughts around employees - now and in the future.  Watch these two videos.

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  • Custom Rubber Corp. Upgrading and Expanding

    The Holidays brought new presents to Custom Rubber Corp.  A total of four new machines arrived December 23rd, just in time for the Holidays!
    Some of the machines are additional capacity, some are upgrades to machines that were old and needed to be replaced.  Custom Rubber Corp.'s commitment to our customers and our employees is to continuously upgrade our equipment to make sure every machine we run is dependable easy for operators to use.
     

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  • Custom Rubber Corp. continues to add new products and customers

    Custom Rubber Corp. continues to add new products and customers.  The website is a catalog of success - successes organized by industry and by application-product usage.  Some of the recent additions are in Automotive, Protective Cases, Rubber to Metal Bonding, Electronics, Round Gaskets and Seals, and more.

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  • More Part Examples Posted

    Custom Rubber Corp. has added two more part examples to the website.  Read on....

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  • Custom Rubber Corp. adds new Videos to YouTube channel

    Custom Rubber Corp. added five new videos to the company's YouTube channel.  All the videos will be used for instructional purposes during the shift-start meetings that take place every day. 

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  • Custom Rubber - Second Place, Educational Outreadh

    Custom Rubber Corp. won Second Place for the ARPM's Educational Outreach Award in late 2019.

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  • "Engineer for a Day" Tour

    On February 22, 2019, Custom Rubber Corp. hosted high school students for a day-long exposure to Engineering.  The event is organized annually by Cleveland State University and Custom Rubber Corp. has participated the last three years.  
    The tour event was also the first time Custom Rubber Corp. used a new audio tour guide system.  After winning a $750 prize associated with the "Educational Outreach" award from ARPM (Association for Rubber Products Manufacturers), CRC purchased a system of 10 receiving headphones and a microphone transmitter.  
     

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  • Custom Rubber Corp.'s Innovative Use of Vision Technology

    John Bellett presented at the Industry Benchmarking conference about Custom Rubber Corp.'s innovative use of vision technology, both for part inspection and also for mold safety. (Photo Courtesy of Creative Technology)

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  • Developing Next Generation

    Custom Rubber Corp. presented at the annual industry Benchmarking conference in Indianapolis back in October about their efforts to attract the next generation of folks to the manufacturing industry.

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  • Rubber News article: Custom Rubber Corp. hosts ARPM Tour

    The October issue of Rubber and Plastics News has a two page article discussing Custom Rubber Corp.'s approach to manufacturing employment and some technological investments the company has made.  The entire article is available here....

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  • Custom Rubber Corp. Tour

    On September 26, 2018, Custom Rubber Corp. hosted a tour of High School students from Warrensville Heights High School.  The students are in an Engineering and STEM class.  The students learned a bit about what makes manufacturing in general exciting and also some specifics about molding rubber.  At the end of the tour, the students were given a project....

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  • Custom Rubber - Building the Next Generation

    Custom Rubber Corp. is facing the same challenges many other companies are facing: Where can we find additional, dedicated employees who have some training?
    At Custom Rubber Corp., there is a movement to do something about it....

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  • Custom Rubber Corp Upgrades Quality Capabiltieis

    Custom Rubber Corp. has added significant quality inspection capabilities that utilize the latest in automated vision inspection equipment.

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  • Great Place to Work

    Custom Rubber Corp. released a new video sharing the experiences of employees.  Potential employees can watch to find out what kind of work environment Custom Rubber offers and see the type of work.  Custom Rubber Corp. is now hiring, $11.85 starting wage for night shift.

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  • Custom Rubber Corp. article in Inside Rubber Magazine

    Custom Rubber Corp. was featured in an article in the most recent Inside Rubber Magazine.  The article discusses the continuous improvement approach that Custom Rubber Corp. is taking with Mill Drills and Safety.

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  • Molded Round Seals / Molded Round Gaskets - How To

    Custom Rubber Corp. just updated and added information to the Round Molded Gasket / Round Molded Seals page.  The information includes the three primary ways to produce a round gasket or seal and what the advantages and drawbacks are to each.  Also discussed are three primary technical issues that are important to selecting the right type of round gasket and/or round seal.

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  • Colored Rubber Molding - How To

    Custom Rubber Corp. added content to its website with a host of information about molding colored rubber.  The information includes five reasons why Custom Rubber Corp. is one of the leaders in molding colored rubber products and four reasons why product developers, engineers, and companies in general should consider specifying a color other than black for their next rubber molded component. 

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  • Custom Rubber Grommets - How To

    When desigining a custom molded grommet, there are a number of things to consider.  Custom Rubber Corp. recently added detailed information regarding the issues or questions that need to be answered and an outline of how to work through the steps.

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  • Protective Case Design How-To

    Custom Rubber Corp. has added detailed, step-by-step information regarding how to design a custom silicone rubber protective case for your electronic device or instrument.

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  • Rubber Bellows Design How-To

    Custom Rubber Corp. added information related to designing molded rubber bellows and molded rubber convoluted boots.  Information is now available on the five steps or questions that designers need to consider when developing a custom molded rubber boot or bellow.

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  • New Look For Molded Rubber Products Website

    We're very excited about the recent launch of our new website. Much of the content is carried over - our old site had excellent illustrations of the types of products we make and customers we serve - but the look and feel of the site is much more up to date. We've included some larger photos showing some of our employees at work and have updated many of the product pictures.

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