Doped with trace elements,the red quartz tube,dark red and pink red available,is able to prevent all the UV rays and part of visible lights and meanwhile make the most of infrared rays.

It is widely used in the field of far infrared heating , such as heater ,sterilization tank, microwave oven, electric cooker, electric oven, surface drying, automobile paint baking ,etc.

Standards:

Range of OD	WT	Siding	Out of Round	Bow/1220mm	Length(mm)
8.00±0.15	1.0±0.10	10%	1.5%	2.5mm	1220
9.00±0.15	1.0±0.10	10%	1.5%	2.5mm	1220
10.00±0.15	1.0±0.10	10%	1.5%	2.5mm	1220
11.00±0.15	1.0±0.10	12%	1.5%	2.5mm	1220
12.00±0.15	1.0±0.10	12%	1.5%	2.5mm	1220
13.00±0.15	1.0±0.10	12%	1.5%	2.5mm	1220

Physical Properties:

Density 20??kg.m(×??0³)
2.2
Coefficient of expansion 25-300???(×10)
0.5
Softening point (??
1710
Annealing point(??
1230
Srtain point(??
1140
Youngs modulus(Pa)
7.3×10³