High purity&heating-resistanceOD range 1.2mm-360mm, Silicon Dioxide>99.995%Transmittance of visible light>90%
a ) except the incorporation of impurity content of trace titanium, aluminium, iron outside, calcium, magnesium, potassium, sodium, lithium seven impurity elements of the total content of not greater than 100 x ppm.
( two ) the hydroxyl content not greater than 10 x ppm.
( three ) the thermal stability of the specimen in the constant temperature of 1100 DEG C after 15 minutes, in 20 degrees C water quench, repeat the test 3 times, no crack, notch and greater than 3mm caving
1. OD:1.2mm-360mm
2. thickness of wall:0.5mm-12mm
3. type:transparent,translucent,milky-white,red,u-shape,twin tube, special shape, etc.
4. OEM allowed
5. certificate :CE
6. application fields:heating element, drying equipment, cooking device, medical equipment,fry&baking equipment, sterilizing device
7. technical data
silicon dioxide>99.95%
transmittance of visible light>90%,
OH content less than 50ppm,20ppm,15ppm,10ppm,5ppm