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What are the methods of measuring the hardness of silicone tube?
What are the methods of measuring the hardness of silicone tube? Usually knock hardness in what is, is to achieve a pointer to a moment of hardness as a standard or to park for three seconds for quasi. The old standard is knocked into the second stop, the new standard is stopped for 3 seconds. But the hardness of silicone tube, the measurement, it is the value of the. For example: a press down to 65 degrees, after 3 seconds, it may be only 50 degrees. So, the hardness of the silicone tube is 50 degrees?
Shenzhen Qi Yu specializing in the production of silicone rubber hose manufacturers for your analysis: glue is soft, and portable hardness tester, may and gesture but in general, the hardness of the rubber will change, especially the pressure in a few seconds ago. Sometimes hardness, a moment arrived 80A, but soon fell to 76%, so in the end should be to the subject, subject to a moment or to fall prevail. Hardness measurement is by 3 seconds reading, in a twinkling arrive 80 but soon fell to about 76, is by 76 record; but I'll play a few times look at the product's average to get hardness. According to the new standards of measurement for 78 degrees, but the customer is instantaneous measurement value for 82 degrees, judged to be unqualified.
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