Refractory Square Alumina Ceramic Crucible for FurnaceProduct Description Advantage:
1.High purity, 99.7% alumina purity makes sure high working temperature.
2.Large quantity mould in stock, you will find a suitable one.
3.Very small and very big sized ones can be made.
4.Inspection: each single crucible and boat will be checked before shipping.
5.Low transportation cost. We have long time cooperated shipping agency, which can provide very low prices.
NO. | Property | Unit | Alumina |
1 | Al2O3 | % | >99.3 |
2 | SiO2 | % | - |
3 | Density | g/cm3 | 3.88 |
4 | Water absorption | % | 0.01 |
5 | Cold compressive strength | MPa | 350 |
6 | 20ºC leakage rates | Torr/L.sec | <10-11 |
7 | Twisting in high temperature | mm | 0.2 allowed in 1600ºC |
8 | Bonding in high temperature | | not bonded in 1600ºC |
9 | 20-1000ºC coefficient ofthermalexpansion | mm.10-6/ºC.m | 8.2 |
10 | Thermal conductivity | W/m.k | 25 |
11 | Electric insulation strength | KV/mm | 20 |
12 | 20ºCdirect current insulation resistance | Ohm/cm | 1014 |
13 | High-temperature insulation resistance | 1000ºC MΩ | ≥0.08 |
1300ºC MΩ | ≥0.02 |
14 | Thermal shock resistance | | 4 times not cracked in 1550ºC |
15 | Maximum working temperature | ºC | 1800 |
Company Lianyungang Highborn Technology CO.,LTDHIGHBORN has always been a defining force in the sale and fabrication of quartz glass within the semi-conductor, chemical, solar Energy and precise ceramics within semi-conductor , solar energy, textile, electronic, and laser industries.
Not only have we mastered the fabrication technology, our strength has always been based around listening to and understanding our customer's requirements and expectations.
Continuous improvement in all areas of our business is key to our grouth. What is equally important to us is maintaining in business, our inherent family values of trust, faimess and respect to our employees, suppliers and customers.Service Certifications Shipping & Delivery FAQ Q: What's the sintering way of Small Size Alumina Ceramic Crucible with Lid?pressureless sintering,reactive sintering,recrystallization sinteringQ: What's the MOQ?There is no limit on quantity, as per need.Q: Do you accept customized dimension of Small Size Alumina Ceramic Crucible with Lid?Yes, we can produce ceramic parts per customer's request.
Q: How soon can we get the detail quotation of Small Size Alumina Ceramic Crucible with Lid?Firstly please kindly tell us the size, material and demand quantity, your drawing with technical requirements is best.
If you only have samples, you can also send us.
We will quote our best price in 24 hours, for simple items, we will quote in 1 hour.Q:For alumina ceramic, what about the forming method?
Drying pressing Isostatic pressing Hot pressing castingRelated products you may like