NO; C59#
SIZE: 48/30*52 MM
FULL OF STOCK
PRICE: 1.75$/PCS
WITH HIGH REFRACTORINESS, GOOD CORROSION RESISTENCE AND CHEMICAL STABILITY ETC PROPERTIES, CERAMIC CRUCIBLES ARE MAINLY USED IN METALLURGY, CHEMICAL, ELECTRONIC, GLASS, PAPER, ETC INDUSTRIES.
AND WE ALWAYS EXPORT TOO MANY CRUCIBLES TO THE FAMOURS UNIVERSITIES AND LABORATORIES
OUR QUALITY CAN PASS THE GERMAN AND JAPAN STANDARD WITH THE CERTIFICATE: DIN43724/DIN43725/DIN40680.
| NAME | CONTENT(%) |
| Al2O3 | 99.3-99.5(99.7) |
| SiO2 | 0.3-0.5 |
| CaO+MgO | 0.2-0.3 |
| K2O+Na2O | 0.2-0.35 |
| Fe2O3 | <0.1 |
| OTHER | <0.05 |
| NUMBER | OD*ID*H | ML(CC) | SHAPE | PRICE($) |
| 1 | 36*25*59 | 26 | STRAIGHT | 1.45 |
| 2 | 41*35*41 | 40 | STRAIGHT | 1.45 |
| 3 | 24*20.8*50.8 | 20 | STRAIGHT | 1.16 |
| 4 | 45*41*62 | 75 | STRAIGHT | 2.17 |
| 5 | 50*46*60 | 90 | STRAIGHT | 2.17 |
| 6 | 60*55*60 | 130 | STRAIGHT | 2.75 |
| 7 | 50*45*140 | 215 | STRAIGHT | 8.12 |
| 8 | 72*55*200 | 450 | STRAIGHT | 20.29 |
| 9 | 190*180*124 | 2870 | STRAIGHT | 65.22 |
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 |
