Product Details

Detailed Product Description

Specification

Outer Diameters	0.5mm to 8mm
Inner Diameters	0.126mm~Specified D
Lengths	1mm to specified L
OD & ID Tolerance	To 1.5%--3%mm

Some Typical Characteristics of Quartz:

      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 Materials:

      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

Shipping Methods:

l EMS Express

l International Air Mail

l DHL Express

l TNT Express

l FedEx Express

Company Profile

l Private owned Ltd company established in 1998 manufacturing quartz and optical glass products.

l ISO 9001 Certified in 2008.

l Qualified personnel Total Stuff: 73

l Total Area: 22,000sqm (Workshop: 5,000sqm)

l Annual Turnover for Year 2012(Including Estimated the Fourth Season) USD 4,700,000

l Target Annual Turnover for Year 2013 USD 6,300,000

Export Areas:

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.