Instrument Quartz Glass Stopcock

Apparatus Quartz Glass Stopcock1, OEM is ok, as required2, low OH3, ISO 9001-20004, no bubble no airline5, resistance 1100 degree, 1000 long time workAdvantage of the quartz glasss tube:1. High temperature resistant, 1100 degree.2. Corrosion-resistant3. Good thermal stability4. Goo

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Apparatus Quartz Glass Stopcock
1, OEM is ok, as required
2, low OH
3, ISO 9001-2000
4, no bubble no airline
5, resistance 1100 degree, 1000 long time work

Advantage of the quartz glasss tube:
1. High temperature resistant, 1100 degree.
2. Corrosion-resistant
3. Good thermal stability
4. Good transparency for light
5. Good electrical insulation


Chemical Composition
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
m m<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


We can supply more than 5 types and 70 speculations, ranging from 3-300mm clear quartz tube(high purity, good heating resistance, low OH), UV-stop quartz tube, red quartz tube, processed quartz tube, quartz rod, quartz plate, gray quartz tube, and so on. And we have further capacity of trim cutting, fire-polishing, pinching, and bending, and so on. 

After-Sale service: 
1) 24 hrs service for customers. 
2) quality issue, we accept reworking if quality is not reach your requirements. 
3) sample available for free. 
4) OEM service acceptable. Welcome your artwork. 
---To order, please reply us your special enquiry

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