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  • high temperature vacuum diffusion furnace tube
  • high temperature vacuum diffusion furnace tube
  • high temperature vacuum diffusion furnace tube
  • high temperature vacuum diffusion furnace tube
  • high temperature vacuum diffusion furnace tube
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  • high temperature vacuum diffusion furnace tube
  • high temperature vacuum diffusion furnace tube
  • high temperature vacuum diffusion furnace tube
  • high temperature vacuum diffusion furnace tube
  • high temperature vacuum diffusion furnace tube

Length 450mm vacuum diffusion furnace tube

SKU: CQFQ20QVFS01
.This quartz tube is excellent for  tube furnace or DIY tube furnace below 1200°C.
.Vacuum pressures safely used up to 1000°C.
.The flow rate for gases should be limited to200 SCCM (or 200ml/min).
.Maxium 17'' available on request
.Quartz tubes are designed for use under vacuum and low pressure < 0.2 bars / 3 psi / 0.02 MPa.
.Sample carry quartz crucible/boat available on request.
.End seal flang or block available on request.
.Maxium length up 3000mm available on request.
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  • Diameter * Wall thickness:
    1" & 1.57" ( 40 mm )*2mm
    2" & 2.75"*3mm
    3" & 3.14"*4mm
    4"&4.37" &4.5"*3mm
    5" & 6" *5mm
    8" &8.5" & 10" & 11"*4mm
  • Length:
    450mm
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  • Need customization? Please describe here and attach design drawing below!:
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  • Design drawing:

    Because quartz glass products are nonstandard product, we can't list all, please send us your design drawing, we can make it for you.

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  • Total extras:$0.00
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  • high temperature vacuum diffusion furnace tube
  • high temperature vacuum diffusion furnace tube
  • high temperature vacuum diffusion furnace tube
  • high temperature vacuum diffusion furnace tube
  • high temperature vacuum diffusion furnace tube
  • Description
Quartz/Silica glass is used where high service temperature, very high thermal shock resistance. Quartz glass is produced from silicon dioxide and is a highly pure material. Melting and refusing of crushed natural crystalline quartz. Clear fused quartz glass features high purity (>99.98% SiO2), good physical and chemical properties, tight tolerances, and low -OH content. Especially low coefficient of thermal expansion of quartz provides excellent stability and resistance to thermal shock over large temperature excursions and wide thermal operating range. Are used for high temperature applications up to 1200°C (2192°F).

Impurity content(ppm)
AL Fe K Na Li Ca Mg Cu Mn Cr B Ti
5-12 0.19-1.5 0.71-1.6 0.12-1.76 0.38-0.76 0.17-1.23 0.05-0.5 0.05 0.05 <0.05 <0.1 <1.0
 
Spectral transmission at 1.0mm thickness
n m <220 255 280 315 350 38 590 780
% 89 91 93 93 93 93 93.2 93.4

Physical Proerties
(g/cc)Density20 °C kg.m-3 2.2
Degree of Hardness Moh's Scale 6.6-7.0
Softening point(degree) 1683
Annealing point 1215
 
 
Frequently Bought Together
  • 扩散炉
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Frequently Bought Together
扩散炉
1" & 1.57" ( 40 mm )*2mm, 450mm
$ 39.95 $0.00
Total: $ 250.90
Save $-250.90 for buying together
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