Specifications

quartz tube :
High quality, Low price, Perfect after-sale service
1. Outside Diameter: 1~300mm
2. Wall Thickness: 0.5~18mm
3. Length: 10~3000mm


Dimensional Tolerance : [part parameters]
OD Deviation de OD    WT Siding of Wall Out of Round Bow/1220mm
<6mm       ±2.0%   ±10%    12%         2.0%   2.5mm
6.0-15mm   ±1.25%   ±8%    10%          1.5%   2.5mm
15-20mm   ±1.25%   ±10%    15%          1.5%  2.5mm
20-25mm   ±1.25%   ±10%    15%          1.5%   3.0mm
25-30mm  ±1.35%   ±12%    15%         1.5%   3.0mm
30-80mm  ±1.5%    ±14%    15%          2.0%   3.0mm

Chemical Composition [unit: ppm]
Al Fe Ca Ti  Na K
20 1.0 2.0 2.0 2.5 2.5

OH-Content:
can be controled within 20ppm ppmppmppmppm
according to the customers' requirements.


Chemical Properties:
Hydrolysis Clase        (DIN 12111)   1
Acid-resistance Clase  (DIN 12 116) 1
Alkali-resistance Clase (DIN 52322)   1

Mechanical Properties: ( at 20 centigrade degree)
Density 2.20 g/cm3
Tensile Strength 4.8 ×107 Pa (N/m2)
Compressive Strength 4.8 ×107 Pa (N/m2)
Hardness (Mohs) 5.5 - 6.5

Thermal Properties:
Coefficient of expansion [20~300 degree] 5.5 ×10-7 /degree
Transformation point 1120 degree
Softening point 1683 degree
Annealing point 1180 degree
Max temperature for continuous work 1100 degree
Max temperature for periodic work 1300 degree


Electrical Properties:
Deficit factor of dielectric (at frequency of 7.5 GHz) tan =0.0025
Constant dielectric (at 20 degree /7.5 GHz) = 3.7

Electric-resistance (kV/cm)
at 20 degree 250 - 400
at 500 degree 40 - 50


Temperature Electric-resistance
(degree )       ( . cm)
20               1018
100              1018
200            4 ×1013
400              1010
800           6.3× 108
1000           108
1200          4 × 105


1. Specilized in manufacturing kinds of further processing quartz products
according to your requirements.

2. Prouducts:
(1) Bent tubes [ Shapes : C / U / M / W / Pear / Racket etc ]
(2) Clear/Transparent quartz tube ,
(3) Milky/Opaque quartz tube,
(4) Ruby quartz tube,
(5) Spiral quartz tube,
(6) UV stop/block quartz tube, + Ozone free quartz tube,
(7) Quartz Rod, + Quartz Plate, + Quartz Disc,
(8) One end closed quartz tube,
(9) Twin (double hole) quartz tube,
    etc.

3. Welcome to make your best choice and contact us.
Hope to build long-term relationship with U.