Wuxi Maoqian New Material Technology Co.,Ltd.
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الألومينا وبيانات تقنية تقويم الأسنان
|
ITEM |
UNIT |
99.9 ALUMINA |
|
Density |
G/cm3 |
3.94 |
|
Bending Resistance |
Mpa |
500 |
|
Compressive Strength |
Mpa |
3300 |
|
Elasticity Modulus |
Gpa |
400 |
|
Shock Strength |
Mpam/2 |
5.2 |
|
Vaporization Coefficient |
M |
12 |
|
Vickers Hardness |
HV0.5 |
2000 |
|
Thermal Expansivity |
10-6K-1 |
8.0 |
|
Conductivity |
W/MK |
28 |
|
Thermal Shock Resistance |
AT℃ |
280 |
|
Maximum Service Temperature |
℃ |
1750 |
|
20℃ Volume Resistance |
Ω |
≥1015 |
|
Dielectric Strength |
KV/mm |
30 |
|
Apparent Porosity |
％ |
0 |
|
Permittivity |
Er |
10 |
|
Dielectric Loss Angle |
tanδ |
0.001 |
بيانات تقنية مسحوق الألومينا
|
ITEM |
LS-110 |
LS-120 |
LS-130 |
LS-110F |
LS-220 |
LS-210 |
|
LOI(％) |
0.02 |
0.02 |
0.05 |
0.08 |
0.03 |
0.01 |
|
Na2O(％) |
0.05 |
0.04 |
0.03 |
0.05 |
0.07 |
0.08 |
|
SiO2(％) |
0.07 |
0.07 |
0.07 |
0.09 |
0.02 |
0.02 |
|
Fe2O3(％) |
0.03 |
0.03 |
0.03 |
0.03 |
0.02 |
0.02 |
|
Al2O3(％) |
99.9 |
99.9 |
99.9 |
99.9 |
99.9 |
99.9 |
|
average grain diameter(um) |
1.7 |
2.1 |
2.2 |
1.1 |
2.7 |
2.9 |
|
αgrain diameter(um) |
1-2 |
1-3 |
2-4 |
1-2 |
2-3 |
3-5 |
|
BET Surface Area(m2/g) |
1.9 |
1.4 |
1.4 |
3.2 |
1.6 |
0.9 |
|
Pressure-induced volume density(g/cm3)* |
2.22 |
2.27 |
2.31 |
2.29 |
2.22 |
2.32 |
|
Forming density(g/cm3)** |
2.13 |
2.20 |
2.23 |
2.33 |
2.17 |
2.30 |
|
Sintering volume density(g/cm3)** |
3.78 |
3.79 |
3.78 |
3.89 |
3.81 |
3.77 |
|
Line collection efficiency(％) |
18.0 |
17.2 |
16.7 |
15.7 |
17.5 |
15.3 |
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