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door seals

  • Gensets: Door Seals, Acoustic Insulation, and Rubber Bumpers

    GensetsGensets or generating sets are designed to supply off-grid electricity. They usually consist of a diesel or gasoline-powered engine and an electrical generator (such as an alternator) that converts mechanical power into electricity. Some gensets, such as the ones that provide emergency backup power at hospitals and water treatment plants, are large and stationary. Others gensets are portable because they’re wheeled, or are mounted on wheeled trailers that are pulled by trucks or other motorized vehicles. Continue reading

  • Rubber Door Seals for Passenger Rail Cars

    Rubber Door SealsIn this case study, you’ll learn how Elasto Proxy applied its expertise in seal design, compound selection, custom fabrication and logistics to supply rubber door seals for passenger rail cars. How can we help you solve your sealing and insulation challenges?

    Manufacturers of mobile equipment need to source rubber parts that meet all of their application and business requirements. When a manufacturer of mass transit vehicles needed to replace the door seals on passenger trains, Elasto Proxy applied its expertise in technical design, compound selection, custom fabrication, and logistics. In solving this sealing challenge, Elasto Proxy improved the original seal design and helped the mobile equipment manufacturer meet the urgent needs of an important customer.

    As the rail car manufacturer explained to us, the existing seals on some passenger cars had become worn and were leaking. The manufacturer’s customer, a major passenger rail service in the Northeastern United States, wanted to solve this problem quickly. In turn, Elasto Proxy needed to create new door seals in less than two weeks and send them to Philadelphia for installation. Since the “test train” for these replacement seals would remain at the station for less than 24 hours, ease-of-installation was also important. Continue reading

  • How to Attach Rubber Parts: Adhesive Taping vs. Mechanical Fastening

    Video: How to Attach Taped Rubber Parts Video: How to Attach Taped Rubber Parts

    Learn how adhesive taping attaches rubber parts to plastic, metal, and glass surfaces – and why taped gaskets provide a strong, reliable alternative to mechanical fasteners such as bolts and screws. Then, download the Make It or Buy It? E-Book

    Rubber parts such as door seals, edge trim, and weather stripping can be attached to plastic, metal, or glass surfaces. Mechanical fasteners like screws and bolts are strong and reliable, but installation is time-consuming. The use of adhesive tapes can speed assembly, but taping also offers other important advantages. By understanding these benefits, and how high-strength adhesive tapes compare to mechanical fasteners, you can choose the best attachment method for your rubber parts. If taping is right for your sealing or insulation application, you can then decide which type of taping you need. Continue reading

  • Sealing Solutions and Material Compatibility

    Image Source crystalimagewindows.wordpress.com Image Source crystalimagewindows.wordpress.com

     

     

     

     

     

     

     

     

     

     

     

     

     

     

    Doug Sharpe

    President of Elasto Proxy

    How safe are the sidewalks in your city? If you’re concerned about cracked cement at your feet, you may want to look skyward instead. No, don’t look at the clouds. Instead, examine the windows on the high-rise office buildings. In mid-town Manhattan recently, three pedestrians were injured when a glass window fell from the side of a 34-story structure. During interior renovations, a construction worker accidentally struck the window with a piece of equipment, causing the glass to dislodge.

    Material scientists know a lot about glass, but you don’t have to be an expert to know that it can crack and break. Just ask the tourists who stepped onto The Ledge, a glass observation deck high above Chicago. When a thin layer of “sacrificial glass” cracked, the surface resembled a car’s windshield after an accident. Experts debate whether the tourists were really at risk, but that’s small consolation to the Jaguar owner whose car “melted” because of reflected sunlight from a London office building.

    Rubber, Glass, and Metal

    Glass may be the most commonly used urban building material, but it’s hardly the only one. Rubber seals help hold glass in place. They also keep out wind and weather. When the sun’s rays strike, it’s not just the window glass that expands. As I explained in Seal Selection and Thermal Expansion, changes in temperature cause changes in an elastomer’s length, area, and volume. Several years ago, I saw this firsthand when high heat caused a rubber seal to expand so much that it lifted a large steel cover.

    Rubber and glass aren’t the only materials affected by service temperature, and cold weather can also cause part failure. Here in Canada, it’s not uncommon for hockey players to stuff beer in a snowbank while enjoying an outdoor game on a frozen lake or pond. The snow cools the beer, but the aluminum cans aren’t as hearty as a Stanley Cup winner. The beer is made mostly of water, and water expands when frozen. So if the beer gets too cold, the cans explode – and there’s no post-game celebration.

    Thermal Expansion and Extreme Conditions

    For the pedestrians in Manhattan who were injured by falling glass, the stakes were much higher than a hockey game. The tourists in Chicago and the Jaguar owner in London all stayed safe, but they saw what can happen when environmental conditions cause materials to fail. For the rubber and plastics industry, the incident in Manhattan is especially instructive. Whether with plastic parts or rubber seals, suppliers and buyers alike must consider whether a polymer is compatible with adjacent materials.

    In office buildings, homes, and vehicles, window glass is typically part of a “system” that includes metal parts and rubber seals. Evaluating the thermal expansion of each componen tin sealing solutions is important, but factors such as maintenance must also be considered. Today, curtain walls often use EPDM and silicones because these materials provide excellent heat and weather resistance. If a different type of caulking is using during maintenance, however, air leaks and water damage can occur.

    Plastic parts can also cause rubber components to fail. Years ago, a supplier packaged a foam rubber armrest against a piece of plastic. During the time the armrest was in storage, the plastic caused the rubber to look like it had been exposed to a hot iron. Today, suppliers must also consider a whole host of conditions. In the case of skyscraper windows, how will rubber parts withstand extreme weather conditions and earthquakes?

    How Can We Help You?

    For 25 years, Elasto Proxy has been solving sealing and insulation challenges in industries such as building and construction, automotive, and mobile specialty vehicles. By listening to your needs and analyzing all of your requirements, we can recommend solutions that balance the need for safety against cost concerns.

    For example, by fully understanding your application’s material compatibility requirements and temperature conditions, we can recommend rubbers with the right material properties. Moreover, we’ll take the time to understand how these rubber products resist aging. The Brooklyn Bridge was built to last, but the Golden Gate requires a special coat of paint ever year. How does your application compare to these structures in terms of service life and maintenance?

    Please contact us for more information, or join the conversation on our social media channels. Look for a post with a link to this blog entry on LinkedIn, Facebook, Google+, and Twitter. Elasto Proxy has a YouTube channel, too. Finally, please subscribe to our free e-newsletters. They’re a great source of information delivered right to your email inbox, and they provide links to blog entries like this one.

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