Quartz Tube

	Transparent Tube

The transparent quartz tube is obtained through different types of raw materials that include natural or synthetic quartz sand. Quartz tube have ultra high purity, good spectral transmission, well controlled dimensions and lower (OH) Hydroxyl. Some of the other properties include-

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Features

These are highly resistant to thermal shock due to extremely low co-efficient of thermal expansion.
They have excellent electrical strength that offer stability under temperature variation

They are available from 2mm inside diameter to 200mm outside diameter up to 3000mm length.

Applications

NC-100 Chemical element composition (ppm)

Type	A1	Fe	Ca	Mg	Ti	Mn	B	K	Na	Li	Oh
NC-100	16	1.2	0.8	0.4	0.1	0.1	0.8	0.2	2.3	0.5	125

Physical Property

Property	Standard	Remarks
Density	2.2 x 103 kg/m3	Thermal stability: cooling from 1100C to20C for three times, no crack
Hardness	550KHN100
Tensile Strength	4.7 x 101Pa (N/m2)	Heating to 1100C for one hour, No colorchanges.
Compression strength	> 1.1 x 109 Pa

Coefficient of Thermal Expansion(20C-300C)	5.5 x 10-7 cm/cmC
Thermal Conductivity (20C)	1.4 W/Mc
Specific Heat (20C)	660J/kgC
Softening Point	1630C
Annealing Point	1150C

	Translucent Tube

The translucent tubes have typical characteristics of precise dimension, strong heat resistance and high thermal stability. It serves as material of infrared heating for heaters, microwave oven, electrical baking oven, car painting and baking. These tubes can also be used as silica immersion heater with one end of glass tube closed.

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Chemical element Composition (ppm)

Type	A1	Fe	Ca	Mg	Ti	Mn	B	K	Na	Li
NC-500	36	1.3	1.28	0.8	3.9	0.05	0.2	5.0	2.8	2.0
NC-510	36	1.3	1.28	0.8	3.9	0.05	0.2	5.0	2.8	2.0

Physical Property

Property	NC-500	NC-510	Remarks
Density	2.15 x 10³ kg/m³	2.15 x 10³ kg/m³	Thermal stability : cooling from 1000C to 20C for three times, Nocrack
Compression Strength	> 1.0 x 10⁹ Pa	> 1.0 x 10⁹ Pa
Coefficient of ThermalExpansion (20°C – 30°C)	5.4 x 10-7 cm/cmC	5.4 x 10-7 cm/cmC
Thermal Conductivity (20°C)	Low	Low
Specific Heat (20°C)	640 J/KGC	650 J/kg C
Softening Point	1580 C	1600 C
Annealing Point	1100 C	1120 C

	Quartz Rod

We manufacture and supply Quartz Rod that has high purity, excellent temperature characteristics and low coefficient of thermal expansion and offers excellent dimensional stability. These Quartz Rods are available in diameter of 2 to 70 mm with Length 1200mm.

Properties

High purity
Abrasion resistance
Low co-efficient of thermal expansion.

Applications

Quartz Rods are used to fabricate Silicon Wafer Carriers in the semi conductor industry and as handles in fiber optic manufacturing industry.

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