Specifications

quartz pear shape tube
1.U Sharp Quartz Tube with tight size tolerance
2.Melting point at 1730 degre

2014 classical quartz pear shape tube

  

Feature of quartz pear shape tube:

1.U Sharp Quartz Tube with tight size tolerance, slinky form and excellent feature.

2.Melting point at 1730 degree, mainly apply for Thermocouples, samplers and high temperature parts.

3.This products providing to Europe, America, the all and the one quality accord with international standard.

3*1.5*15mm

3*1.5*16mm

3*1.5*18mm

3*1.5*22mm

3*1.5*23mm

3*1.5*32mm

3*1.5*45mm

3*1.2*23mm

and etc

we can make as customer's drawings for different sizes. Please contact with us from more.

 
Parameter of quartz pear shape tube:

Model	RE418-U
Brand	Resucerial
Outer Diameter	2.5,3mm
Purity	>99.95%(SiO2 content)
Wall Thickness	0.50-1mm
Height	15,16,18,22,23,26,42,45mm
Shape	U type
Softening Point	1680℃
Annealing Point	1210℃
Strain Point	1120℃
Density	2.2g/cm
Hardness	5.5-6.50Mohs'
Design Tensile Strength	4.80x107N/m^2
Design Compressive Strength	1.10x109 N/m^2
Cofficient Of Thermal Expansion(20-320℃)	5.70x 10-7cm/cm.℃
Thermal Conductivity(20℃)	1.40W/m.℃
Specific Heat(20℃)	670J/Kg.℃
Electrical Resistivity(350℃)	7x107 ohm.cm
Dielectric Constant	3.75
Dielectric Strength	5x 107 V/m
Typcial Application	Thermocouple sampler tube

  

Chemical Composition
AL	K	Na	Li	Ca	Mg	Cu	Mn	Pb	B	Ti
20	3.5	3.5	1.0	2.0	0.5	0.3	0.5	<0.01	<0.2	2.0

  

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Application of quartz pear shape tube:

1.Fused quartz glass tube available as continuous machine drawn and automatic controlled tubing.

2.This glass had the typical characteriastics of high purity, good spectral transmission, well controlled dimension and lower OH and so on.

3.It serves as the first choice of heat resistant material for halogen lamps, mercury lamps, metal halide lamps and other quartz lamps.

4.This glass can be supplied in the range of 3-450mm outside diameter, 0.6-20.0mm wall thickness and 10-4500mm length.

5.Exhaust tubes with good CPK are suitable for high-speed streamline production.

6.And further processing of trim cutting, fire polishing, bending and pinching and etc. can be done according to the requirement of customers.

7.OH-content can be controled within 20ppm15ppm10ppm5ppm2ppm according to the requirement of customers.

 

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quartz pear shape tube