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These tubes surface glossy milky-white color, high purity, abrasion resistance (any acid except HF acid), high temperature, steady heat remain, high insulation, long using life, no contamination, this material is widely used in far infrared heater and drying equipments applications.

 

 

Properties

Item
Feature
Purity (Sio2)
>99.95%
Density @ 20 (±05g/CM2)
2.15
Thermal Expansion (cm/cmoC)
5.4 x 10 -6
Thermal Conductivity   
0.0033cal / CM . Sec . oC
Working Temperature (oC)
1100
Fire Resistance (oC)
1650
Annealing Point (oC)
1300
Resistivity @ 20 oC
2 x 1014 Ω - M
Resistivity @ 800 oC
2 x 105 Ω - M
Pressure-resistance
(5mm thickness) @ 20 oC
10 KV/MM
Pressure-resistance
(5mm thickness) @ 500 oC
2-300 KV/MM
Abrasion Resistance   
Any Acid Except HF Acid
Infrared Launch Rate
< 4 U
(Wavelength)
> 4 U
> 5-13 U

Available to absorb the far infrared spectrum with wavelength under 4 U, it makes the tube body itself heat and increase the heat energy radicalization.
At the meanwhile, the wavelength at 5-13 U area far infrared wave bands transmit rate reach onto 90%. material needing heat to dry (it is generally at 3-25u areas，it has strong absorption) Offer most effective alternative absorption to heat material component. This feature is not available with any other far infrared material.

Standard Sizes & Tolerance (MM)

Size(mm)
OD
WT
Siding Max
Oval Max
Bow/122mm
8.0-15
±2.0%
±10%
10%
1.50%
2.5mm
15 - 20
±1.5%
±10%
15%
1.50%
2.5mm
20 - 25
±1.5%
±10%
15%
1.50%
3.0mm
25 - 35
±2.0%
±10%
15%
1.50%
3.0mm
35 - 50
±2.0%
±10%
15%
1.50%
3.0mm

Main Applications:

* Far infrared roast
* High temperature thermoelectric couple
* High temperature electric cooker
* High Temperature Industry dryness /
calefaction application
* Such as : Heater, disinfect tank, microwave
oven, Electric Oven etc.


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