3D Profilometer Technical Document: Recovery of Rubber After Compressive Permanent Deformation
Nanovia 3D Profilometer
This is a PDF document on the recovery of rubber samples after compressive permanent deformation. Please download it for details.
The compressive permanent deformation of materials, as defined in ASTM D395i, is the permanent change in shape that remains when the previously applied compressive load is removed. Rubber is subjected to significant compressive stress in a wide range of applications, such as mounting to machinery, vibration dampers, valves, faucets, and bearings, in media such as air or liquids. The ability to retain elastic properties after prolonged compressive stress is crucial for the quality and functionality of the service. For example, a compression faucet relies on a rubber washer to seal the valve seat. The elasticity of the rubber sealing washer ensures the proper functioning of the faucet. Leaks occur when the rubber washer, seal, or gasket in the valve assembly wears out and loses elasticity. Therefore, it is important to evaluate the compressive permanent deformation of rubber after prolonged compressive stress.
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◎Real Nano 3D Profilometer for Surface Characterization Nanovia's Real Nano 3D surface inspection device provides high-precision surface characterization for "roughness measurement," "texture analysis," and "step and height evaluation." The non-contact profilometer, utilizing advanced chromatic light technology, offers reproducible high-resolution surface measurements across a wide range of applications, including "coatings," "semiconductors," "medical devices," and "aerospace materials."
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Our company handles products that are adopted by world-class companies. These products incorporate cutting-edge technologies not found in Japanese products, enabling the promotion of rationalization and cost reduction in manufacturing and development environments, and they are guaranteed to bring benefits to the companies that implement them. Additionally, we provide support for overseas products with the same rapid response as domestic manufacturers. ◎ Dynamic viscoelasticity measurement device ◎ Stress relaxation measurement device ◎ Drop weight impact testing machine ◎ Multicolor light 3D optical profiler ◎ Nano/micro indenter ◎ Tribometer ◎ Moisture meter for polymers ◎ Twin capillary rheometer for melt property material development ◎ Flow analysis software ◎ Molding analysis software ◎ Ultra-precision feeder ◎ Mass flow quantitative feeder ◎ Automatic adjustment weight-type blender ◎ Dehumidifying dryer for polymers ◎ Color spectrometer ◎ Equipment for shortening molding cycles ◎ Rubber measurement-related equipment Dynamic measurement + vulcanization testing machine Rheometer Carbon dispersion meter Mooney viscometer Hardness and density meter Density and specific gravity meter Specific gravity meter for uncured rubber Durometer Durability and fatigue testing machine Rebound tester Wear testing machine ◎ Comprehensive valve manufacturer
