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Detailed Product Description
High purity quartz 99.99%.
Fire Molding Processing
Competitive Price
All sizes as your required.
ZCQ supply our clients with various Laboratory Quartzware:
Quartz Beaker (Low & Tall Form) Cell, Cylinder
Test Tube (With or With No Lid) Flange Pipe (Flange Ring)
Crucible (Low & Tall Form) Evaporating Dish
Carrier/ Boat (Flat or Round Bottom) Distilling Flask
Ball Joint,Taper & Socket Joint Kjeldahl Flask
Anti-Heat Jacket Volumetric Flask
Round Dish Boiling Flask
Cuvette Spiratron (Tubes in Coil) Stopcocks
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
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
We ensure that you shall receive our very best in quality service and
craftsmanship at a very competitive price.
Please call us and send us email for an inquiry .
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.
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.
Send Inquiry to This Supplier
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