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详情介绍
TYPICAL PROPERTIES OF PURE MICA 天然纯净云母典型物理性质The following properties are typical for muscovite and phlogopite micas. It should be remembered that as mica is a naturally occurring mineral, properties might vary slightly.以下的物理性质为白云母和金云母，值得注意的是云母作为天然的矿物，物理性质可能有轻微的不同．PropertiesUnitsMuscovitePhlogopiteColour颜色-Ruby/ green / whiteAmber / yellowDensity密度gm/cm³2.6 -
3.22.6 -
3.2Specific heat 比-0.210.2Hardness硬度Mho scale2.8 -
3.22.5 -
3.0Optic axial angle光轴角degrees55 - 755 - 25Tensile strength (approx)抗强强度MN/m²1751000Shear strength切变强度MN/m²220-2701000-1300Compressive strength耐压强度MN/m²190-285-Calcining temp煅烧温度ºC700 – 800900 – 1000Max.operating temp最大工作温度ºC500 – 600800 – 900Thermal conductivity perpendicular to cleavage plane晶体裂开面的垂直导热性cal/sec/cm²/ºC /cm (approx)0.00130.001Thermal conductivity parallel to cleavage plane晶体裂开面的平面导热性cal/sec/cm²/ºC /cm (approx)-0.012Water of constitution水含量%4.53.0Apparent electric strength表面导电强度0.025mm - 0.075mmkV/mm120 – 200-Apparent electric strength RMS @ 15ºCkV/mm40 – 80-Permittivity介电常数-6 – 75 – 6Loss tangent损耗因数x10-41 – 410 – 50
3.22.6 -
3.2Specific heat 比-0.210.2Hardness硬度Mho scale2.8 -
3.22.5 -
3.0Optic axial angle光轴角degrees55 - 755 - 25Tensile strength (approx)抗强强度MN/m²1751000Shear strength切变强度MN/m²220-2701000-1300Compressive strength耐压强度MN/m²190-285-Calcining temp煅烧温度ºC700 – 800900 – 1000Max.operating temp最大工作温度ºC500 – 600800 – 900Thermal conductivity perpendicular to cleavage plane晶体裂开面的垂直导热性cal/sec/cm²/ºC /cm (approx)0.00130.001Thermal conductivity parallel to cleavage plane晶体裂开面的平面导热性cal/sec/cm²/ºC /cm (approx)-0.012Water of constitution水含量%4.53.0Apparent electric strength表面导电强度0.025mm - 0.075mmkV/mm120 – 200-Apparent electric strength RMS @ 15ºCkV/mm40 – 80-Permittivity介电常数-6 – 75 – 6Loss tangent损耗因数x10-41 – 410 – 50
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