20ml Alumina Flat Bottom Crucible Conical
Brife Intruduction
Mission Ceramic is making high quality ceramic products.
We make 99.7% Al2O3 crucibles and boats, which max working temperature is 1800ºC
and 95% Al2O3 crucibles and boats, which max working temperature is 1500ºC
Crucible capacity from 0.5ml to 10000ml. very big sized can be made as your design.
We have cylindrical type crucibles, conical type crucibles, boat and other special shaped crucibles or boats according to your design.
20ml Alumina Flat Bottom Crucible Conical 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.

20ml Alumina Flat Bottom Crucible Conical Standard sizes:
Alumina Boat
Cylindrical Form Crucible
Conical Form Crucible
20ml Alumina Flat Bottom Crucible Conical Technical Data
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20ml Alumina Flat Bottom Crucible Conical Packaging:
1. Clean crucibles by washing.
2. Warped with bubble plastic paper.
3. Put in wood box padded with foam board.
4. Sealed the box with screws which is easy to be opened.
5. Fragile warning stick.
Shipping Method: By sea, by Air, by express way.
About US

Zhengzhou Mission Ceramic Products Co., Ltd. Locates in Zhenzhou City, Henan Province, central part of China. We have been working in advanced ceramic and thermal industry since 2013. Our products has been exported to more than 40 countries like USA, UK, Russia, France, Australia Korea etc. We win good reputation from customers because of good quality and service.
Brife Intruduction
Mission Ceramic is making high quality ceramic products.
We make 99.7% Al2O3 crucibles and boats, which max working temperature is 1800ºC
and 95% Al2O3 crucibles and boats, which max working temperature is 1500ºC
Crucible capacity from 0.5ml to 10000ml. very big sized can be made as your design.
We have cylindrical type crucibles, conical type crucibles, boat and other special shaped crucibles or boats according to your design.
20ml Alumina Flat Bottom Crucible Conical 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.

20ml Alumina Flat Bottom Crucible Conical Standard sizes:
Alumina Boat
L(mm) | W(mm) | H(mm) | WT(mm) |
100 | 30 | 30 | 1.5 |
50 | 10 | 10 | 2.0 |
100 | 20 | 20 | 2.0 |
80 | 55 | 15 | 2.5 |
300 | 36 | 18 | 3.0 |
150 | 35 | 25 | 3-3.5 |
100 | 50 | 30 | 4.0 |
145 | 145 | 12 | 4-5 |
184 | 123 | 62 | 5.0 |
120 | 60 | 17 | 5 |
OD(mm) | ID(mm) | H(mm) | WT(mm) | Capacity(ml) |
30 | 24-26 | 30 | 2-3 | 4.5 |
25 | 20 | 25 | 2.5 | 7 |
41 | 35 | 41 | 3 | 40 |
50 | 46 | 60 | 2.0 | 90 |
60 | 55 | 60 | 2.5 | 130 |
45 | 40 | 110 | 2.5 | 135 |
50 | 45 | 140 | 2.5 | 215 |
110 | 102 | 140 | 4.0 | 1000 |
120 | 110 | 140 | 5.0 | 1280 |
138 | 128 | 106 | 5 | 1300 |
Conical Form Crucible
Top OD(mm) | Top ID(mm) | Buttom OD(mm) | H(mm) | Capacity(ml) |
34 | 29 | 20 | 40 | 20 |
40 | 36 | 24 | 38 | 25 |
40 | 36 | 22 | 48 | 40 |
50 | 46 | 30 | 50 | 65 |
68 | 61.6 | 34 | 56.5 | 125 |
85 | 79 | 45 | 70 | 230 |
78 | 74 | 46 | 90 | 300 |
100 | 94 | 77 | 80 | 400 |
90 | 82 | 40 | 130 | 600 |
120 | 108 | 77 | 160 | 1400 |
20ml Alumina Flat Bottom Crucible Conical Technical Data
Al2O3 Purity(%) | Density(g/cm³) | Bending Strength(Mpa) | Expansion()(20-800ºC) | Thermal Conductivity(W/(m.R)) | Dielectric Strength(kv/mm) | Max Working Temperature(ºC) | Water Absorption(%) |
95 | 3.60 | 364 | 7.6 | 20 | 11 | 1500 | <0.2 |
99.7 | 3.90 | 450 | 8.0 | 35 | 12 | 1800 | <0.1 |

20ml Alumina Flat Bottom Crucible Conical Packaging:
1. Clean crucibles by washing.
2. Warped with bubble plastic paper.
3. Put in wood box padded with foam board.
4. Sealed the box with screws which is easy to be opened.
5. Fragile warning stick.
Shipping Method: By sea, by Air, by express way.
About US
