Ceramic Alumina Crucible

4 year ago

50 0 

9 year

Product details

Refractory Corundum Ceramic Sagger for Kiln Furniture

We offer a variety of ceramic crucibles in aluminum oxide ceramics, mullite-corundum, zirconium oxide ceramics. The regular shape contains square, rectangular, cylinder, tray, boat and so on. In addition to special shape, we could support as well.

The ceramic crucibles are highly resistant to chemical attack, resistant to high temperature, resistant to corrosion. They are commonly used in various metal or non-metal melting materials, or melting items analysis in the lab. also, it's a regular application for smelting &sintering for phosphors, rare earth material, precious metal.

We are capable of dealing with small size ceramic crucible to very big size ones. The max. dimensions can be 400mm x 500mm x 300mm.

The checklist of standard ceramic crucibles

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

Type 2: Cone-shape crucibles

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

Type 3: Other shapes

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

The description and main features

1. Material: 99% alumina ceramic, corundum-mullite ceramic, zirconia ceramics, boron nitride optional
2. Shape: we supply various shapes, including cylinder, rectangular, square, boat, and so on.
3. Features: all-ceramic crucibles are with excellent chemical resistance, thermal - shock performance.
4. Working temperature: It can be work under max. 1650ºC long term in air, or higher temperature under inert gas
5. Application: They are commonly used in a variety of metal or non-metal melting material, or melting items analysis in the lab, also it's a regular application for smelting & sintering for phosphors, rare earth material, precious metals.

Material Properties

Property	Units	Materials
Property	Units	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

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Jinghui Industry Ltd.

Audited supplier

9 year

Main Product: Metallized ceramics, Precision ceramics, Pepper Grinder Mechanism, Ceramic Grinding Mechanism, Alumina Ceramic Plate, Ceramic Substrate

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