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The effect of temperature on the mechanical properties of plastic materials has a fundamental role in the design of components, especially in the selection of materials. Unlike metals and ceramics, plastics are extremely sensitive to the slightest changes in temperature. The selection of plastics for applications under different temperatures is a complex task. The material must be able to support a stress under operating conditions without losing its strength and without critical distortion. The effect of temperature on geometrical stability and mechanical properties in general can be studied following different procedures and methods like at constant temperature or with a temperature ramp. From very simple units for QC labs to more advanced and automated systems, the Instron line of CEAST Thermal testers are designed to measure the heat deflection temperature (HDT) and the Vicat softening temperature (VST) according to the related ISO and ASTM international standards.
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The ElectroPulsTM E3000 Linear-Torsion is a state-of-the-art, all-electric test instrument designed for dynamic and static testing on a wide range of materials and components. It includes Instron® advanced digital control electronics, bi-axial DynacellTM load cell, Console software, and the very latest in testing technology – hassle-free tuning based on specimen stiffness, electrically operated crosshead lifts, a T-slot table for flexible test set ups and a host of other user-orientated features. Powered from a single-phase supply it requires no additional utilities for basic machine operation (for example, pneumatic air, hydraulics, or water).
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The quality manual defines Instron’s policies regarding: The definition and the processes of quality management systems and their interaction and Reference to the documented Standard Operating Procedures established for the quality management system processes
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Instron has long been a leader in measuring and verifying speed and displacement and was an active participant in developing the ASTM Speed and Displacement Verification standards. These services ensure that testing parameters are being met and that associated results are being calculated accurately. To further maximize confidence, Instron is also accredited by NVLAP under lab code 200301-0 to ISO/IEC 17025.
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These bi-axial and averaging axial clip-on extensometers use strain gauges for measurement and are constructed from high-strength aluminum, titanium, and stainless steel. All of the extensometers feature simple, single-handed operation. The extensometer incorporates automatic electrical calibration and transducer recognition including a unique digital serial number.
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