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    氟化镁(MgF2)

    关于此产品

    氟化镁(MgF2,CAS 7783-40-6)可透过从紫外到红外的光,具有低而稳定的折射率。它有 99% 粉体,纳米级粒径为 20 nm 或 50-100 nm;另有含量不低于 99.5%、98.0%、97.5% 和 95.0% 的四个常规等级,各等级对氯化物、硫酸盐、铁、水分及其他杂质的限值各不相同。 在光学镀膜中,它在相机镜头、望远镜和激光窗口上形成增透膜,并可制成红外窗口、透镜和棱镜。陶瓷制造商将其用作电子陶瓷中的绝缘填料以及降低烧结温度的助熔剂;它还是铝电解和镁冶炼中的助熔剂,以及焊接剂的成分。 20 nm 和 50-100 nm 粉体属于纳米形态,根据英国和欧盟 REACH,在需要注册的情况下,注册必须涵盖该纳米形态。常规等级表未给出粒度,因此请确认每种粒度对应的等级。细粉会吸附气体,因此应保持密封、阴凉、干燥,并防潮、防重压。

    规格

    CAS No.7783-40-6
    Molecular formulaMgF2
    Purity (nano powder)99%
    Particle size (nano powder)20 nm; 50-100 nm
    MgF2 content, by grade≥99.5% (excellent grade pure); ≥98.0% (export grade); ≥97.5% (analytically pure); ≥95.0% (chemically pure)
    Chloride (Cl)≤0.005% (excellent grade pure, analytically pure); ≤0.02% (chemically pure)
    Sulphate (SO4)≤0.01% (excellent grade pure) to ≤0.1% (export grade)
    Iron (Fe)≤0.001% (excellent grade pure) to ≤0.05% (export grade)
    Moisture≤0.06% (excellent grade pure); ≤0.5% (export grade)
    Packaging100 g bag; 1 kg bag; 20 kg drum
    StorageSealed, cool and dry; protect from moisture and heavy pressure

    应用

    Anti-reflective optical coatingsInfrared windows, lenses and prismsElectronic ceramic fillersSintering flux for special ceramicsFlux for aluminium electrolysis and magnesium smeltingWelding agents

    包装选项

    • 100 g bag
    • 1 kg bag
    • 20 kg drum