具塞比色管(带塞)
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产品概要
优质高硼硅玻璃精工烧结而成,无毛刺锐角,管体具有低膨胀率、耐高温、高强度、高硬度、高透光率和高化学稳定性的优良特性,上口为磨砂口,配置磨砂玻璃塞,适合于制作标准色阶的色列管,在塞口周围用石蜡封闭,作较长时间保存和使用,能防止溶液挥发。
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化学
生物
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