STA 95% -99.7% al2o3 Alumina Ceramic crucible
STA GROUP mainly produce alumina tubes, rods and various industrial ceramic parts, which are mainly used in thermalcouple temperature, liquid steel continous temperature, various industrial furnace(containig vacuum furnace, carburizing furnace, wire furnace, atmosphere furnace etc), especially widely used in petrochemical, spinning, electric, instrumentation, mechanical workout, military project etc industry.
Our items are various and exported to many countries.Welcome to contact us!
|Dimension||Outer dia. mm||Inner dia.mm||Length mm||Remark|
|Thermocouple protection tube||7-120||1-110||10-2000|
If you need others,we can
customize for you.
|Insulated tube||Single hole||2-120||1-110||10-2000|
|(inner core)||Double holes||1-10||0.4-2||10-2000|
Property of material:
|Material||85 Al2o3||90 Al2o3||95 Al2o3||99 Al2o3|
|Fe2o3||≤ 1.0||≤ 0.5||≤ 0.5||≤ 0.3|
|Desnsity: g / cm3||3.4||3.5||3.6||3.85|
|Vickers Hardness||≥ 8.6||≥ 8.8||9||9|
|Water Absorption:%||≤ 0.2||≤ 0.1||≤ 0.085||≤ 0.01|
|Refractoriness:°C||1580 °C||1600 °C||1650 °C||1800°C|
Wear Rate( at room temperature,
erosion, 100 grinding)%
|≤ 3||≤ 2.5||≤ 1||≤ 0.5|
|1.Great mechanical strength|
Electric appliance industry
1.Heat treatment furnace
and toughened furnace
|2.High softening temperature|
|3.Good resistance to thermal impact|
|4.Small thermal expansion coefficient|
2.Inner liner tube and heating
tube in electric furnace
|5.Good chill and abrupt heat properties|
|6. Resistance to acid and alkali corrosion|
Size of ceramic curcible for your reference:
Top dia (mm)
Bottom dia (mm)
Pictures of ceramic crucible:
Pictures of factory:
Packaging and Shipping:
1.Do you have MOQ of goods?
We accept the trial order, so you can test quality firstly.
2.Can you offer best price for us to beat competitors?
Of course, we can update price to support your business.
3.How long will it take to complete my order?
For the stock items, we can arrange the shippment within 3 days after paymment is received. For the customized items,lead time is about 25 days.
4. Can you send goods to our shipping agent in China?
YES, We can. And delivery time is within 3 days.
5. Can we visit your factory?
We are so happy to get your visit.