详细说明
Product Name: Macor Machineable Glass Ceramic Rod Model NO.: GT-008 Material: Macor Rod Shape: Rod Type: Refractory Material Feature: Long Time Materials Refractoriness (?): 1580< Refractoriness< 1770 Looks: Rod ,Block,Plate,Slot Working Temperature: 800c Color: Pure White Property: Good Vacuum, High and Low Temperature Resistance Trademark: shangtao Transport Package: Plywood Case Specification: Rohs Origin: Shanghai, China HS Code: 8547100000 Product Description Gongtao companyspecializes inthe production and research ofmachinableceramic.The main products:Machinableceramics and tools,with goodmachiningperformance, goodvacuum,high and low temperature resistance, insulationandacid-corrosion ect properties.It can be widely used inaviation, aerospace, electronicssubstrates,high temperatureinsulationskeleton,ion plating,vacuum coating,plasmadisplaymirror,ionaccelerators,lasers, andmedical devices.Our machinableceramichas goodmachiningperformance,and can beturning, milling,grinding, drilling,drilling andtappingand other machining by ordinarymachine tools andcutting tools.Themachining accuracy can reach up to5μm,finishhighup0.5μ.It has agoodvacuum,high and low temperature resistance, insulationandacid and alkali corrosion resistance ect properties.Thermal shock resistanceof machinableceramicis very good,quenchingfrom 800 °Cto0 °C,nobroken, from 200 °Cto 0 °C,the intensitydoes notchange.The main advantage:-It can beturned,milled,grinded,drilled andtappedand other machining.-Precisionmachiningdimensions.-Non-magnetic.ItemStandard valueRemarksDensity2.7g/m³Porosity0.096%Water absorption0.038Hardness4-5MohsColorpure whiteThermal expansion coefficient86×10 -7 /°C100°C ~600°C average valueThermal conductivity 1.68W/m.k25°CWorking temperature800°CBending Strength108MPaCompress strength488 MPaImpact Toughness>2.56KJ/ m 2Modulus of elasticity65GPaInsertion loss1~ 4×10 -3Room temperatureDielectric constant6-7"Dielectric strength>40KV/mmThickness of sample 1mmBulk density1.08×10 14 Ω.cm25°C1.5×10 10200°C1.1×10 7500°CGas efficiency at normal temperature8.8×10 -9 ml/s. cm 2Vacuum experienced for eight hoursHelium permeatingrate1×10 -10 ml/sAfter 500C burning,cool to room temperature.5%HC10.26mg/ cm 295°C,24 hours5%HF83mg/ cm 2"50%Na2CO30.012 mg/ cm 2"5%NaOH0.85mg/ cm 2"
