Design and Study on Proficiency Testing for Plastic Brittleness Temperature
In order to meet the needs of laboratory to evaluate and improve the testing ability of plastic brittleness temperature,four key issues of this proficiency testing were studied.The four key issues were equipment and test type,sample processing method,sample's material selection and damage determination.In this proficiency testing scheme,the equipment method covers a wide range,the test sample's uniformity is good,the temperature range is widely used and the damage situation is comprehensive and easy to determine.All of these were assisted more laboratories with the detection ability of the plastic's brittleness temperature to find the problems existing in the detection.to improve the detection ability consequently.At the same time,these works also provided a basis for the laboratory certification and accreditation management department to supervise the certified laboratories in this field.
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