Large Od Clear Fused Tube
Φ 15---200mm Large OD clear fused quartz tube is our major products, which is widely used in semiconductor, light sources, chemical tube and telecom etc.

OD(mm)WT(mm)WT Deviation(%)OD Deviation(%)
15-50 1-5 ± 5 ± 1
50-100 2-5 ± 5 ± 1
100-200 3-6 ± 5 ± 1
This glass can be supplied in the range of 1.50---300mm outside diameter, 0.3_15mm wall thickness and 10_6000mm length. OH_content can be controlled within 20ppm/15ppm/10ppm/5ppm/2ppm, according to the requirement of customers. Exhaust tubes with good CPK are suitable for high_speed streamline production.

Packaging & Delivery
Packaging Detail: Outside wooden cases, inside carton case with foam.
Delivery Detail: Within 15days after confirm contract

Specifications
1, clear quartz tube
2 purity 99.99% min
3, Resistance 1100 degree, 1000 long time work
4, Low OH
5, Nice Appearances

Specification and Advantage of the quartz tube:
1. Quartz tube: OD3mm-450mm
2. Wall thickness: 1mm-10mm
3. Length: Max1240mm (or according to your special requirement)
4. Purity: 99.99% min
5. Shape: One end closed
5. Resistance 1100 degree, 1000 long time work
6. Low OH
7. Nice Appearances
8. Strong Corrosion-resistant
9. Good thermal stability
10. Good transparency for light>90%
11. Good electrical insulation
12. Special dimension and tolerances are available upone requests
13. Useful: Electric light source, semiconductor, optical, photovoltaic, chemical industries

· GOOD QUARTZ MATERIAL
· STRICT CONTROL OF THE PRODUCTION PROCESS
· GOOD QUALITY
· COMPETITIVE PRICES
· ON-TIME DELIVERIES
· GOOD AFTER-SALE SERVICE
We can also make tubes according to your requirement!

Dimensional Tolerance
Range of OD OD WT SidingOut of Round Bow\1220mm
≤ 6mm± 2.0% ± 10% 12%2.0%2.5mm
6.00-15.00mm± 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
30.00-80.00mm± 1.5% ± 14% 15%2.0%3.0mm
80.00-100.00mm± 1.0% ± 0.5mm 15%2.0%3.0mm
100.00-120.00± 1.5% ± 0.8mm 15%2.0%3.0mm
120.00-160.00± 1.8% ± 1.0mm 20%2.5%3.0mm
160.00-180.00± 3.0% ± 1.0mm 25%2.5%3.0mm
180.00-200.00± 4.0% ± 1.5mm 25%2.5%3.0mm
200.00-240.00± 4.0% ± 1.5mm 25%2.5%3.0mm
240.00-280.00± 6.0% ± 2.0mm 25%2.5%3.0mm
280.00 above± 8.0% ± 3.0mm 25%2.5%3.0mm

Chemical composition (ppm)
ALFeKNaLiCaMgCuMnCrBTi
5-120.19-1.50.71-1.60.12-1.760.38-0.760.17-1.230.05-0.50.050.05<0.05<0.1<1.0
Spectral transmission at 1.0mm thickness
Mm<22025528031535038590780
%89919393939393.293.4

Physical Properties
(g/CC)Density20 ° C kg. M-32.2
Degree of Hardness Moh's Scale5.5-5.6
Softening point(degree)1683
Annealing point1215
Defoamation Point1120