Thick-walled transparent quartz tube(From 1 to 10 thick wall thickness)made in China

thick wall clear tube 1.low in hydroxy 2.used in stream line 3.We can accept customer drawings of custom-made

thick wall clear tube 1.low in hydroxy 2.used in stream line 3.pacakage:carton

thick wall  clear tube

1.SiO2  content more than 99.95%

low content in OH, hydroxy content can be controlled less than 20,15,5 or 2ppm 2.

   2.used in stream line production

   4.high purity, good spectral transmission, well controlled dimension

   5.chemical composition

Cr	Ge	Fe	Mg	Ti	Ca	Al	Na	Li	K
0.1	0.4	1.5	0.4	0.1	0.8	16	2.3	0.5	2.0

6.spectral transmission at 1.0mm thickness

Nm	≤220	255	280	315	350	380	590	780
%	89	91	93	93	93	93	93.2	93.4

7.physical properties

Density 20°Ckg/m3	2.2
Coefficient of expansion 25-300°C/°C	0.58
Softening point(°C)	1670
Annealning point(°C)	1210
Strain point(°C)	1110
Youngs Modulus	7.3×105

Thick-walled transparent quartz tube(From 1 to 10 thick wall thickness)made in China