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magnesium oxide

Made by TOTC

Dense Magnesium Oxide Ceramics

Magnesium oxide ceramics made by adding yttrium oxide to magnesium oxide to make it denser. (Made by Tateho Ozark.)

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Features

The magnesium oxide is used as a refractory under severe condition because its melting point (3098K) is the highest in the oxide. The magnesium oxide is superior in corrosion resistance in the molten metal. The magnesium oxide can be used for a lot of metals compared with the aluminum oxide.

High densification

This product has a high densification quality due to the addition of yttrium oxide.

Inexpensive

We offer affordable prices.

Usage

Crucibles for metal melting
Tools for Sintering Ceramics.
Alternatives to Aluminum Oxide Ceramics
These products can be used for heat treatment of nickel alloys, plutonium/uranium refining, superconductor materials, piezoelectric materials, and lead materials.
They can be used in high temperature environments up to 2200°C.

Chemical Composition

MgO Purity (%)	96.5
CaO (%)	0.50
SiO₂ (%)	0.10
Al₂O₃ (%)	0.55
Fe₂O₃ (%)	0.06
B₂O₃ (%)	0.002
Y₂O₃ (%)	2.00

Measuring method Chemical composition:
X-ray fluorescence method, ICP (Inductively coupled plasma) Optical emission spectroscopy.

Physical Properties (Typical)

Category	Value
Bulk density (10³kg・m^-3)	3.44
Apparent porosity (％)	0.10
Water absorption (％)	0.03
Three point bending strength (MPa)	123
Thermal expansion coefficient (10^-6・K^-1)	13.9
Thermal conductivity (W・m^-1・K^-1)	46.3
Specific heat (J・kg^-1・K^-1)	990

Measuring method
・Bulk density・Apparent porosity・Water absorption: Archimedes method.
・Three point bending strength:JIS R1601
・Coefficient of thermal expansion:JIS R2207-3
・Thermal conductivity: laser flash method
・Specific heat: laser flash method
*The properties are the typical values and not a guaranteed ones.

FLAT BOTTOMED CRUCIBLES

Item Name	Diameter (D)		Height (H)		Weight	Interior Vol.
unit	inch	mm	inch	mm	g	cc
SC02402	0.24	6	0.20	5	0.3	0.05
SC04008	0.40	10	0.79	20	4	0.5
SC05010	0.50	13	1.00	25	8	1
SC07116	0.71	18	1.57	40	18	5
SC07510	0.75	19	1.00	25	13	4
SC10010	1.00	25	1.00	25	19	7
SC10012	1.00	25	1.25	32	23	9
SC10030	1.00	25	3.00	76	51	24
SC12512	1.25	32	1.25	32	36	15
SC12520	1.25	32	2.00	51	54	25
SC12525	1.25	32	2.50	64	66	31
SC12560	1.25	32	6.00	152	150	77
SC15020	1.50	38	2.00	51	67	38
SC15030	1.50	38	3.00	76	97	59
SC17525	1.75	44	2.50	64	99	70
SC17535	1.75	44	3.50	89	134	99
SC20020	2.00	51	2.00	51	97	75
SC20035	2.00	51	3.50	89	157	135
SC20050	2.00	51	5.00	127	217	195
SC20060	2.00	51	6.00	152	257	234
SC22535	2.25	57	3.50	89	180	176
SC25030	2.50	64	3.00	76	179	189
SC25055	2.50	64	5.50	140	306	354
SC27535	2.75	70	3.50	89	265	264
SC30030	3.00	76	3.00	76	259	272
SC30040	3.00	76	4.00	102	330	368
SC30057	3.00	76	5.75	146	455	534
SC35060	3.50	89	6.00	152	566	782
SC40045	4.00	102	4.50	114	518	777
SC40060	4.00	102	6.00	152	662	1044
SC45060	4.50	114	6.00	152	761	1343
SC50050	5.00	127	5.00	127	743	1394
SC50080	5.00	127	8.00	203	1105	2254

Totc 01 Fab2eb10

ROUND TRAYS

Item Name	Diameter (D)		Height (H)		Weight	Interior Vol.
unit	inch	mm	inch	mm	g	cc
SR1005	1.00	25	0.50	13	11	3
SR2005	2.00	51	0.50	13	37	15
SR2010	2.00	51	1.00	25	57	35
SR3005	3.00	76	0.50	13	82	34
SR3010	3.00	76	1.00	25	117	82
SR4005	4.00	102	0.50	13	134	64
SR4010	4.00	102	1.00	25	182	153
SR6010	6.00	152	1.00	25	395	349
SR6012	6.00	152	1.25	32	437	453

Totc 02 00ee42b2

RECTANGULAR TRAYS

Item Name	Width (W)		Length (L)		Height (H)		Weight
unit	inch	mm	inch	mm	inch	mm	g
ST104005	1.00	25	4.00	102	0.50	13	44
ST106005	1.00	25	6.00	152	0.50	13	65
ST202005	2.00	51	2.00	51	0.50	13	47
ST203005	2.00	51	3.00	76	0.50	13	74
ST204005	2.00	51	4.00	102	0.50	13	96
ST254005	2.50	64	4.00	102	0.50	13	115
ST254010	2.50	64	4.00	102	1.00	25	164
ST256010	2.50	64	6.00	152	1.00	25	231
ST306010	3.00	76	6.00	152	1.00	25	261
ST356010	3.50	89	6.00	152	1.00	25	329
ST404010	4.00	102	4.00	102	1.00	25	232
ST406010	4.00	102	6.00	152	1.00	25	364

Totc 03 C22784d2

FLANGED LIDS

Item Name	Diameter (D)		Height (H)		Weight
unit	inch	mm	inch	mm	g
SF100	1.00	25	0.2	5	10
SF125	1.25	32	0.2	5	14
SF150	1.50	38	0.2	5	21
SF200	2.00	51	0.2	5	35
SF250	2.50	64	0.2	5	55
SF300	3.00	76	0.2	5	79
SF400	4.00	102	0.2	5	141
SF450	4.50	114	0.2	5	179
SF500	5.00	127	0.2	5	221
SF700	7.00	178	0.2	5	435

Totc 04 F18d89dc

These components have been selected as standard sizes for the convenience of our customers. Other sizes and shapes may be in open stock, and any requirements will be quoted on a custom basis. Delivery may not be from open stock. Please contact us for lead times.
All dimensions are outside dimensions and may vary +/- 5%. Nominal wall is lesser of 5% of diameter or .125 inch. Some warping and sidewall distortion is normal for MgO, especially rectangular shapes. Nominally flat surfaces may be slightly convex or concave. All tray Heights are hand finished and may vary by 25%.