Elastomers are flexible Manufacturers are able to mold elastomers into all kinds of shapes.
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Elastomers are bendable and twistable at room temperature. They are also very heat resistant. Their mechanical properties and overall good chemical resistance make them very useful.
We've taken spring-loaded check valves to a whole new level. Mix and match imperial and metric connections. Watch the video. Some physical properties of elastomers and rubbers. Elastomers and rubbers have good mechanical properties that make them flexible but tough.
Elastomers vs Polymers
Conclusion The duckbills and diaphragms of plastic diaphragm check valves are made of elastomers. O-rings and gasket seals are too. This is because of the unique physical and chemical properties of elastomers. Most design processes can benefit from a better understanding of elastomeric materials. As always, ISM offers samples to our customers as a way to assist their testing and decision-making.
These can be requested when browsing our catalog. What elastomeric properties were the most or least critical? Help us by telling others what you learned.
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- A Guide to Elastomer Properties.
- Elastomers and Rubbers - Is There a Difference?.
- Elastomer Properties | DuPont Performance Polymers | DuPont USA.
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Have any questions about elastomers and their use in flow control components? If so, send me an email - steven. You can also ask questions using the comments section below.
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About the author Steven C. Williams, BS, is the technical writer and an inbound marketing specialist at Industrial Specialties Manufacturing ISM , an ISO supplier of miniature pneumatic, vacuum and fluid circuitry components to OEM's and distributors all over the world. This is because elastomer is a viscous liquid that crystallizes slowly below 40 degrees F 5 degrees C. These two disadvantages were overcome by the discovery of vulcanization in by Charles Goodyear, an American inventor.
Goodyear discovered that mixing rubber with white lead and sulfur transformed the material and when heated the material stayed soft at low temperatures because of the way sulfur reacts with unsaturated hydrocarbon elastomer. Primary uses for elastomer are seals, molded flexible parts and adhesives and used in vehicle manufacturing, food production, scientific applications and chemical processes.
Elastomer is available in different grades, depending on their application. The various grades of the elastomer are a function of the manufacturing process. The performance of the different elastomer also varies according to the structural integrity of the substance.
Improving the weakest area of the polymer does not always improve the overall performance of the elastomer, but sometimes leads to poorer performance in some other property of the substance. There are more than 20 different types of elastomer and include natural and synthetic varieties.
Elastomer Material Types ASTM | Precision Polymer Engineering