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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p><strong>QML-A<strong>涂层落砂耐磨试验朹�/strong></strong>由上海魅宇仪器设备有限公司提供，想进一步详细了解价格、规格、工艺、性能、操作，请电话联系我公司。此产品保修期为一年。保修期内维修所产生的费用，除了有明确规定不属于保修范围的以外，其它包括元件费、工时费、差旅费及运输费等一切费用，均由我公司承担。我公司产品出厂时都会做严格检查或试机，所以出现质量问题的概率非常小。我公司坚持从细节做起，严把质量关，努力做到精益求精、�/p><p><strong>QML<strong>涂层落砂耐磨试验朹�/strong></strong>技术参�?</p><p>▲仪器外形尺寷� 450mm��500mm��1370mm：�/p><p>▲漏斗角�? 60℃；</p><p>▲导管内徃� ��19mm；导管长度：914mm：�/p><p>▲试样架角度: 45ℂ�/p><p>推荐产品<a><span>混凝土塌落度筑�/span></p><p>工作原理:</p><p>落砂耐磨试验器是用来测试在标准条件下有机涂层的耐磨性。本方法测试涂层的耐磨性是将磨料通过导管从规定的高度落到已涂装的试板上直至试板底材露出可现。以磨耗单位膜厚的磨耗量来表示试板上涂层的耐磨性。本仪器的测试方法符合美国工业标准ASTMD968-83中落砂法试验有机涂层的耐磨性和建筑工业行业标准JG/T133-2000建筑用铝型材、铝板氟碳涂层对耐磨耗性进行测试的要求、�/p><p>概述:</p><p>该产品主要适用于铝合金建筑型材基体上阳极氧化膜耐磨性的测试。该试验机是依据GB/T5237.5�?000《铝合金建筑型材、氟碳漆喷涂型材》设计制造的、�/p><p>试验准备９�/p><p>▲按标准要求制备试板并在�?3+�?）摄氏度、相对湿度（50+-5）摄氏度条件下放�?4小时、�/p><p>▲校准仪器：</p><p>�?）将一定量的砂倒入漏斗，检查从导管下端落下的砂流，用底部调整螺钉校准装置，直至互从�?0摄氏度的两个位置上观察时，砂束的内心正好落在沙流中心位置上为止。用高低调节螺母来调节管子管子到涂漆表面的距离根据ASTM标准，在垂直方向测量时，�?近点�?英寸�?5mm），用户需根据自己的样板厚度进行调整，出厂时机器预先调�?5mm。到倒入一定体积量的砂（以2000+-10ml为宜），并测出流出时间，流出速度应是21S-23.5S内流�?L。此速度来源于ASTM标准，而用国际中的标准砂作测试时，我们测的速度�?分钟7L以上、�/p><p>▲做试验时应注意，落砂结束后，应把机器稍微倾斜一下，使漏斗下部的小方块中多余的砂倒出，在重新放入落砂开关以免落砂开关不能放入、�/p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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