Quartz Capillary Tube Manufacturer

   Quartz Capillary Tube         Parameter      Diameter           Tolerance          Unit          Length             1~*                      +/-0.05                 mm         OD                 1~18                       +/-0.01               mm          ID                   0.1                         +/-0.01                mm           Material                   High Purity Quartz         Specification          Other dimensions and based on   customer’s  requirements.        Some Typical Characteristics of  Quartz Capillary Tube  :       Very Low Coefficient of Thermal Expansion
      Resistance to High Temperature
      High Chemical Purity
      High Corrosion Resistance
      Extensive Optical Transmission from Ultra-Violet to Infra-Red
      Excellent Electrical Insulation Qualities     Techincal Information of Transparent Quartz Capillary Tube:          Density: 2.203 g/cm3
      Hardness: 7 (Modified Scale); 5.36.5 (Mohs Scale)
      Tensile strength: 48.3 MPa
      Compressive strength: >1.1 GPa
      Bulk modulus: ~37 GPa
      Rigidity modulus: 31 GPa
      Young's modulus: 71.7 GPa
      Poisson's ratio: 0.16
      Coefficient of thermal expansion: 5.5×10-7 cm/(cmK) (average from 20°C to 320°C)
      Thermal conductivity: 1.3 W/(mK)
      Heat capacity: 45.3 J/mol
      Softening point: c. 1730°C
      Annealing point: c. 1180°C
      Strain point: 1075°C
      Electrical resistivity: >1018 Ω×m
      Dielectric constant: 3.75 at 20°C 1 MHz
      Dielectric loss factor: less than 0.0004 at 20°C 1 MHz
      Index of refraction at 587.6 nm (nd): 1.4585         ZCQ offers:       1.High Purity Material
    2.Quality Gurantee High Precision Manufacturing
    3.Competitive Price
    4.Good Delivery
    5.Great Catagories     6. No minimum order restriction               Packaging & Shipping package: protection paper, green air bag,  air film, carton ,                   safe and ecnomic even for freight collect as well. Shipping methods and charges: China post(15-25days) Epacket to USA (10-15days) EMS(7-10days) Fedex(5-7days) DHL(5-7days) Actual shipping charge will be calculated upon product weight.   Our Services 1.Based in Beijing, heart of China, ZCQ is a technology and quality oriented manufaturer with 20 years history. 2.With senior engineer supervise, we are glad  to advise customers on pressure, temperature etc application and engineering questions. 3.ZCQ  accepts second production in case some products don’t meet requirements.  4.1 hour from international meeting center of Beijing, ZCQ invites guests to visit our company after long day meeting and get relaxed in nature. Our company is also sitted in arms of mountains and river.