

价格:面议
0
联系人:
电话:
地址:
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. Properties Units Muscovite Phlogopite Colour 颜色 - Ruby/ green / white Amber / yellow Density密度 gm/cm³ 2.6 - 3.2 2.6 - 3.2 Specific heat 比 - 0.21 0.2 Hardness硬度 Mho scale 2.8 - 3.2 2.5 - 3.0 Optic axial angle光轴角 degrees 55 - 75 5 - 25 Tensile strength (approx) 抗强强度 MN/m² 175 1000 Shear strength切变强度 MN/m² 220-270 1000-1300 Compressive strength耐压强度 MN/m² 190-285 - Calcining temp煅烧温度 ºC 700 – 800 900 – 1000 Max.operating temp最大工作温度 ºC 500 – 600 800 – 900 Thermal conductivity perpendicular to cleavage plane 晶体裂开面的垂直导热性 cal/sec/cm²/ºC /cm (approx) 0.0013 0.001 Thermal conductivity parallel to cleavage plane 晶体裂开面的平面导热性 cal/sec/cm²/ºC /cm (approx) - 0.012 Water of constitution水含量 % 4.5 3.0 Apparent electric strength表面导电强度0.025mm - 0.075mm kV/mm 120 – 200 - Apparent electric strength RMS @ 15ºC kV/mm 40 – 80 - Permittivity介电常数 - 6 – 7 5 – 6 Loss tangent损耗因数 x10-4 1 – 4 10 – 50 产品认证 : 印度 ; 耐温 : 800(℃) ; 种类 : 白片 ; 型号 : 多种 ; 品牌 : RT ; 加工定制 : 是 ;