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中空玻璃密封胶GB/T 29755-2013拉力试验机测试

作者：來源：发布日期： 2020.10.21

信息摘要：

中空玻璃密封胶GB/T 29755-2013拉力试验机测试

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中空玻璃密封胶的国家标准GB/T 29755-2013刚刚发布，将于2014-06-01开始实施。标准是在原行业标准JC/T486-2001基础上修改制定的。增加了25%伸长时弹性恢复率、拉伸粘结强度、最大强度时伸长率、水紫外线处理、热空气老化、热失重、应力应变曲线和破坏项目等要求，并修改了试验方法，相应拉力试验机测试需求也发生变化。

中空玻璃密封膠按聚合物種類分爲聚硫、矽酮、聚氨酯等密封膠。中空玻璃用第二道密封膠使用時應關注與相接觸材料的相容性或粘結性，相接觸材料包括一道密封膠、中空玻璃單元接縫密封膠、間隔條、密閉墊塊等，試驗參考GB16776和GB24266相應規定。

新國標將對密封膠的性能規定一系列指標要求。

試驗方法環節規定試驗基材應符合GB/T13477.1中的要求，試驗溫度23度正負兩度，相對濕度50%左右。

新的中空玻璃密封膠的國家標准的實施，對材料力學性能測試的項目增多，相應拉力試驗機測試要求也有變化，需要加以注意。

三思泰捷用著衆多矽酮膠等領域的用戶單位，是國內該領域測試設備的主要提供者，將依據最新國標要求，向行業用戶提供最佳解決方案。

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The Curate, of course, had heard nothing about the Clockwork man's other performances; he had scarcely heeded the hints thrown out about the possibility of movement in other dimensions. It seemed to him, in the uncertain light of their surroundings, that the Clockwork man's right arm gradually disappeared into space. There was no arm there at all. Afterwards, he remembered a brief moment when the arm had begun to grow vague and transparent; it was moving very rapidly, in some direction, neither up nor down, nor this way or that, but along some shadowy plane. Then it went into nothing, evaporated from view. And just as suddenly, it swung back into the plane of the curate's vision, and the hand at the end of it grasped a silk hat. Good fitting is often not so much a question of skill as of the standard which a workman has fixed in his mind, and to which all that he does will more or less conform. If this standard is one of exactness and precision, all that is performed, whether it be filing, turning, planing, or drawing, will come to this standard. This faculty of mind can be defined no further than to say that it is an aversion to whatever is imperfect, and a love for what [171] is exact and precise. There is no faculty which has so much to do with success in mechanical pursuits, nor is there any trait more susceptible of cultivation. Methodical exactness, reasoning, and persistence are the powers which lead to proficiency in engineering pursuits. I was the only civilian in that road, and the soldiers, with much curiosity, stared at me. Whenever I noticed an officer, I gave an elaborate military salute, and with such an air that the officers, although hesitating at first, did not fail to return the salute. The reformed system of education was to be not only moral and religious but also severely scientific. The place given to mathematics as the foundation of a right intellectual training is most remarkable, and shows how truly Plato apprehended the conditions under which knowledge is acquired and enlarged. Here, as in other respects, he is, more even than Aristotle, the precursor of Auguste Comte. He arranges the mathematical sciences, so far as they then existed, in their logical order; and his remarks on the most general ideas suggested by astronomy read like a divination of rational mechanics. That a recommendation of such studies should be put into the mouth of Socrates is a striking incongruity. The older Plato grew the farther he seems to have advanced from the humanist to the naturalistic point of view; and, had he been willing to confess it, Hippias and Prodicus were the teachers with whom he finally found himself most in sympathy. We are told that when his end began to approach, the dying philosopher was pressed to choose a successor in the headship of the School. 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