Machining Cast Polyurethanes Cast polyurethanes can be readily turned, waterjet cut, sawed, drilled, ground or milled. We offer many engineering shapes of our compounds which can often be used to make prototypes or limited production quantities. It is important to note that the material presented here is a starting point. The wide variety of urethane […]
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Urethane Compound Specifications A successfully performing elastomer should be well documented by a meaningful specification. Why? Because hardness alone is not a reliable specification. At the same hardness we produce many compounds with widely different performance characteristics. Good specifications are essential in competitive bidding and reliable consistency order to order. A good specification should contain data
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Designing Polyurethane Products The following steps in order yield the best approach to design and problem-solving. We encourage you to contact us for help every step of the way. Prioritize the properties that are necessary for performance in a given application. Material characterization – bring us in at this stage. The urethane elastomers can be
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Physical Constants of Urethane Elastomers Compound Specific Gravity Thermal Conductivity -32°F to +32°F (-35°C to 0°C) 32°F to 75°F (0°C to 24°C) 75°F to 212°F (24°C to 100°C) GC1085 1.08 .92 – 1.1 x 10-4 – GC1090 1.11 .92 1.4 x 10-4 .95 x 10-4 .95 x 10-4 GC1095 1.13 .86 1.3 x 10-4
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Polyurethane Stoichiometry Urethane Stoichiometry is the chemical relationship of the amount of reactive elastomer polymer to the amount of curing agent used. Selection of proper stoichiometry is our responsibility, it plays an all-important part in compression set resistance, cut and tear resistance and flex fatigue resistance. When higher stoichiometry is used, flex fatigue resistance will
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A urethane bumper can be designed by equating the kinetic energy of a moving body to the total work the bumper does as it brings the moving body to a stop. The work done is represented by the area under the force-deflection curve. Unlike steel springs, the dynamic spring rates of various urethanes can range
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Let’s jump in… The best way for us to get to know your project, and for you to get to know our capabilities, is to schedule a quick, virtual Introductory Meeting with our polyurethane experts. This 15-minute meeting saves you the typical lag of back and-forth emails and jump-starts your project.
We encourage you to share visuals and invite the necessary people to this meeting. Talk soon!
