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¡¡ Low OH for Lamp ¡¡ Others ¡¡ ¡¡
¡¡ Large Diameter ¡¡ ¡¡ ¡¡
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Clear Fused Quartz Glass tube

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This is clear fused quartz glass tube available as continuous machine drawn and automatic controlled tubing.It has the typical characteriastics of high purity ,good spectral transmission,well controlled dimension and lower OH.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 tubes with good CPK are suitable for high-speed streamline production .and further processing of trim cutting ,fire polishing ,bending and pinching can be done according to the requirement of customers .OH-content can be controlled within 20ppm\15ppm\5ppm\2ppm according to the requirement of customers .
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¡¡ The detailed dimensional tolerance and technical data can be found in below table: ¡¡ ¡¡
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Dimensional Tolerance
Range of OD
OD
WT
Siding
Out of Round
Bow/1220mm
¡Ü6mm
¡À 2.00%
¡À10%
12%
2.0%
2.5mm
6.00-15.00mm
¡À 1.25%
¡À 8%
10%
1.5%
2.5mm
15.00-20.00mm
¡À 1.25%
¡À10%
15%
1.5%
2.5mm
20.00-25.00mm
¡À 1.25%
¡À10%
15%
1.5%
3.0mm
25.00-30.00mm
¡À 1.35%
¡À12%
15%
1.5%
3.0mm
30.00-80.00mm
¡À 1.50%
¡À14%
15%
2.0%
3.0mm

Chemical Composition (Unit:ppm)
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

Physical Properties
Density 20¡æ kg¡¤m-3(X103) 2.20
Coefficient of Expansion 25-300¡æ ¡æ-1(X10-6) 0.58
Softening Point(¡æ) 1670
Annealning Point(¡æ) 1210
Strain Point(¡æ) 1110
Youngs Modulus(Pa) 7.3X105

Spectral Transmission at 1.0mm Thickness
nm ¡Ü220 255 280 315 350 380 590 780
% 89 91 93 93 93 93 93.2 93.4

Welcome to Lianyungang Lanno Quartz Co., Ltd. £¬Our products include: clear fused quartz glass tube, milky white quartz glass tube, quartz glass plate, quartz glass disc, quartz boat, quartz crucible, opaque quartz glass tube, furnace tube, quartz rod, capillary quartz tube. Thank you for looking at our Website......

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