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Dense Magnesium oxide ceramics (Made by TOTC)

Ceramics 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.)

summary

Dense Magnesium oxide ceramics (Made by TOTC)

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
FLAT BOTTOMED CRUCIBLES

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
ROUND TRAYS

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
RECTANGULAR TRAYS

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
FLANGED LIDS

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%.

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