Opaque Quartz Tube - Highborn International Company

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With the adoption of distinctive technique, our opaque quartz glass tube has its typical characteristics of good visual aspects and stable physical &chemical properties. It serves as material of infrared heating for heaters, micro-wave oven, electrical baking oven, car paint baking, sterilization container and other consumptive and industrial infrared application. Further processing of trim cutting, bowing, fire-polishing can be done according to the demanding of the customers.

Dimensional Tolerance

Rang of OD	WT	Siding	Out of Round	Bow/1220mm
8.0±0.15mm	1±0.1mm	10%	1.5%	3.0mm
9.0±0.15mm	1±0.1mm	10%	1.5%	3.0mm
10.0±0.20mm	1±0.1mm	10%	1.5%	3.0mm
10.5±0.20mm	1±0.1mm	12%	1.5%	3.0mm
11.0±0.2mm	1±0.1mm	12%	1.5%	3.0mm
12.0±0.2mm	1±0.1mm	12%	1.5%	3.0mm
13.0±0.2mm	1±0.1mm	12%	1.5%	3.0mm
12.0±0.3mm	2±0.1mm	12%	1.5%	3.0mm
12.0-15.0±0.3mm	1.2-1.5±0.1mm	12%	1.5%	4.0mm
15.0-18.0±0.3mm	1.5-1.8±0.1mm	12%	1.5%	4.0mm
18.0-25.0±0.3mm	1.5-1.8±0.1mm	12%	1.5%	4.0mm
30.0-35.0±0.5mm	2.0-3.0±0.15mm	13%	1.5%	5.0mm
40.5±1.0mm	2.5±0.2mm	15%	1.5%	5.0mm
50.8±1.5mm	3.0±0.3mm	15%	1.5%	6.0mm

Physical & Chemical Properties

Opalescence

SiO2

Heat Resistance

Spectral transmission at 500nm <10%

SiO2>99.5%

Keep under 900 for 15minutes, then put into 20 water and no crack after 3times.

The above data are only for reference.