China Refractory Industrial Ceramic Zirconia Crucible for Precious Metal Melting, Find details about China Alumina Ceramic Crucible, Alumina Ceramic Boat from Refractory Industrial Ceramic Zirconia Crucible for Precious Metal Melting
Type 1: Cylindrical ceramic crucibles
Model# | Outer diameter(mm) | Height(mm) | Wall thickness(mm) | Volume(ml) |
JT2030 | 20 | 30 | 1.5 | 10 |
JT3030 | 30 | 30 | 1.8 | 15 |
JT3060 | 30 | 60 | 1.8 | 30 |
JT3645 | 36 | 45 | 2.5 | 30 |
JT4032 | 40 | 32 | 1.6 | 30 |
JT4050 | 40 | 50 | 2.5 | 45 |
JT4342 | 43 | 42 | 1.8 | 50 |
JT6060 | 60 | 60 | 2.5 | 130 |
JT5590 | 59 | 90 | 2.5 | 200 |
JT10040 | 100 | 40 | 5.5 | 200 |
JT8080 | 80 | 80 | 3.3 | 350 |
JT100100 | 100 | 100 | 4.0 | 550 |
JT135160 | 135 | 160 | 6.0 | 2000 |
Model# | Upper OD(mm | Bottom OD (mm) | Height(mm) | Wall thickness (mm) | Volume (ml) |
JT2020-14 | 25 | 14 | 20 | 1.5 | 5 |
JT3030-18 | 30 | 18 | 30 | 1.7 | 10 |
JT3438-20 | 34 | 20 | 38 | 1.9 | 20 |
JT4640-25 | 46 | 25 | 40 | 2 | 30 |
JT5645-30 | 56 | 30 | 45 | 2.9 | 50 |
JT5553-48 | 55 | 48 | 53 | 2.5 | 90 |
JT5768-37 | 47 | 37 | 68 | 3.5 | 100 |
JT5572-48 | 55 | 48 | 72 | 2.6 | 140 |
JT-7085-44 | 70 | 44 | 85 | 2.9 | 200 |
JT7590-50 | 75 | 50 | 90 | 2.9 | 300 |
JT80110-65 | 80 | 65 | 110 | 3.3 | 400 |
JT 100120-70 | 100 | 70 | 120 | 3.5 | 600 |
JT105150-70 | 105 | 70 | 150 | 4.5 | 800 |
JT113160-75 | 113 | 75 | 160 | 3.5 | 1200 |
JT125155-80 | 125 | 80 | 155 | 3.5 | 1200 |
Model# | Shape | Length(mm) | Width(mm) | Height(mm) | Wall thickness(mm) | Volume(ml) |
JT272310 | Rectangular | 27 | 23 | 10 | 2 | 5 |
JT971712 | Rectangular | 97 | 17 | 12 | 2 | 7 |
JT603015 | Rectangular | 60 | 30 | 15 | 2 | 20 |
JT1002020 | Rectangular | 100 | 20 | 20 | 2 | 25 |
JT757540 | Square | 75 | 75 | 40 | 2.5 | 130 |
JT858540 | Square | 85 | 85 | 40 | 3 | 200 |
JT15512055 | Rectangular | 155 | 120 | 55 | 5.5 | 550 |
JT10010040 | Square | 100 | 100 | 40 | 4 | 550 |
JT16016078 | Square | 160 | 160 | 78 | 6 .5 | 1400 |
Property | Units | Materials | ||||
99.5%Al2O3 | 99%Al2O3 | 95%Al2O3 | ZrO2 | Si3N4 | ||
Density | g/cm3 | ≥3.85 | ≥3.80 | ≥3.60 | ≥6.0 | ≥3.2 |
Water absorption | % | 0 | 0 | 0 | 0 | 0 |
Hardness | HV | 1700 | 1700 | 1500 | 1300 | 1550 |
Flexural strength | Mpa | ≥379 | ≥338 | ≥320 | ≥1200 | ≥600 |
Compressive strength | Mpa | ≥2240 | ≥2240 | ≥2000 | ≥1990 | ≥2500 |
Fracture toughness | Mpa m1/2 | 4-5 | 4-5 | 3-4 | 6.5-8 | 6 |
Max. service temperature (Non-loading) | ºC | 1675 | 1600 | 1500 | 1000 | 1200 |
CTE (20-800ºC) | 1×10 -6 /ºC | 6.5~8.0 | 6.2~8.0 | 5.0~8.0 | 8.0~9.5 | 3.1 |
Thermal shock | T(ºC) | ≥250 | ≥200 | ≥220 | ≥300 | ≤1000 |
Thermal conductivity(25ºC) | W/m.k | 30 | 29 | 24 | 3 | 15~20 |
Volume resistivity (25ºC ) | ohm.cm | >1 x 10 14 | >1 x 10 14 | >1 x 10 14 | >1 x 10 11 | >1 x 10 12 |
Insulation strength | KV/mm | 19 | 18 | 18 | 17 | |
Dielectric constant(1Mhz) | (E) | 9.7 | 9.5 | 9.5 | 29 |