clear quartz tube/transparent quartz tube

This is clear fused quartz glass tube available as continuous machine drawn and automatic controlled tubing .this glass has the typical characteriastics of high purity ,good spectral transmission,well controlled dimension and lower OH and so on .it serves as the first choice of heat resistant material for halogen lamps ,mercury lamps ,metal halide lamps and other quartz lamps .this glass can be supplied in the range of 3-80mm outside diameter,0.6-2.0mm wall thickness and 1200-1500mm length. Exhaust tube with good CPK are suiable for highspeed streamline production .and further processing of trim cutting ,fire polishing ,bending and pinchingcan be done according to the requirement of cusomers .OH-content can be controlled within 20ppm/15ppm/10ppm/5ppm/2ppm according to the requirement of customers.

Range	of	OD	OD	WT	Siding	Ellipsticity	Camber/1220mm
≤5mm	±2.0%	±10%	12%	2.0%	2.5mm	2.0%	2.5mm
6.00-15.00mm	±1.25%	±8%	10%	1.5%	2.5mm	1.5%	2.5mm
15.00-20.00mm	±1.25%	±10%	15%	1.5%	2.5mm	1.5%	2.5mm
20.00-25.00mm	±1.25%	±10%	15%	1.5%	3.0mm	1.5%	3.0mm
25.00-30.00mm	±1.35%	±12%	15%	1.5%	3.0mm	1.5%	3.0mm
30.00-80.00mm	±1.5%	±14%	15%	2.0%	3.0mm	2.0%	3.0mm

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

	214	219	254
Densityg/cc	2.2	2.21	2.21
Coefficient	5.5×10-7	5.9×10-7	6.7×10-7
Softening	1683	1660	1615
Annealning	1215	1204	1163
Strain	1120	1106	1066
Refraction	1.4585	1.456	1.460
Heatj/kg0k	670	700	690
Compressive	1.1×109	0.94×109	0.55×109
Young's	7.2×1010	7.5×1010	7×1010
Resistivityohm	cm@3507×109	2.5×1010	5×1010
Permittivity	3.75	5.8	6

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erica
yingpu()quartz-heater()com
Skype: erica.chen.0518

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