UV blocking Quartz Tube (China Trading Company) - Non-metallic Mineral Products - Metallurgy & Mining Products

UV blocking Quartz Tube

Model:	-
Brand:	UV blocking Quartz Tube
Origin:	Made In China
Category:	Metallurgy , Mining & Energy / Metallurgy & Mining / Non-metallic Mineral Products
Label:	UV blocking Quartz T
Price:	¥10 / pc
Min. Order:	10 pc

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Product Description

UV blocking Quartz Tube

Ozone free quartz tubing is clear and the cut side is light purple.This kind of product can stop wave length<220nm and transmitting rate is over 70% in 253.7nm. This kind of Quartz tube can also avoid the producing of Ozone. It is mainly used for all kinds of germicidal lamps

　Dimensional Tolerance (table I)

Range of 0D	0D	WT	Siding	Out of Round	Bow/1220mm
≤6mm	±20％	±10％	12％	2.0％	2.5mm
6.0-15.00m	±1.25％	±8％	10％	1.5％	2.5mm
15.00-20.00mm	±1.25％	±10％	15％	1.5％	2.5mm
20.00-25.00mm	±1.25％	±10％	15％	1.5％	3.0mm
25.00-30.00mm	±1.35％	±12％	15％	1.5％	3.0mm
29.00-38.00mm	±1.35％	±12％	15％	1.5％	3.0mm

　Chemical composition&OH (table II)

Cr	Ge	Fe	Mg	Ti	Ca	Al	Na	Li	K	OH
20	0.4	1.5	0.4	100	1.0	16	2.3	0.5	2.0	＜25

　Physical Properties (table III)

Density 20℃　kg．m^-3(×10³)	2.2
Coefficient of expansion 25-300℃ c^-1(×10^-6)	0.56
Softening point(℃)	1630
Annealning point(℃)	1180
Strain point(℃)	1100
Youngs modulus(pa)	7.3×10⁵