Porcelain Mortar and Pestle
A mortar is a kind of grinding vessel, used for grinding powder, with spout and pestles.
The specifications of the emulsion are generally measured in diameter, and different diameters of the emulsion are selected according to the needs.
The material of the emulsion is generally ceramic, but also corundum emulsion, agate emulsion, etc.
|
95%/99%/99.7% Al2O3 Ceramic Material Parameters |
||||
|
Item |
Test Condition |
95% Al2O3 Ceramic |
99% Al2O3 Ceramic |
99.7% Al2O3 Ceramic |
|
Bulk Density (g/cm³) |
|
>3.6 |
3.89 |
3.96 |
|
Maximum Use Temp(℃) |
|
1450 |
1600 |
1650 |
|
Water Absorption(%) |
|
0 |
0 |
0 |
|
ROHS Hardness |
|
≥85 |
≥89 |
≥89 |
|
Flexural Strength MPa(psi×10³) |
20℃ |
358(52) |
550 |
550 |
|
Compressive Strength MPa(psi×10³) |
20℃ |
2068(300) |
2600(377) |
2600(377) |
|
Fracture Toughness Mpa m½ |
K(l c) |
4-5 |
5.6 |
6 |
|
Thermal Expansion Coefficient(1×10-6/℃) |
25-1000℃ |
7.6 |
7.9 |
8.2 |
|
Thermal Conductivity Coefficient(W/m°K) |
20℃ |
16 |
30.0 |
30.4 |
|
Thermal Shock Resistance(℃) |
△Tc |
250 |
200 |
200 |
|
Dielectricity Constant |
1MHz.25℃ |
9 |
9.7 |
9.7 |
|
Dielectric Strength (ac-kV/mm)(ac V/mil) |
|
8.3(210) |
8.7(220) |
8.7(220) |
|
Volume Resistivity (ohm-cm) |
100℃ |
>1013 |
>1014 |
>1014 |
|
Code |
Rim Diam |
Bottom Diam |
Height |
Head Diam |
Length |
|
C-154 |
60 |
32 |
32 |
18 |
65 |
|
C-154-1 |
80 |
44 |
41 |
26 |
90 |
|
C-155 |
100 |
60 |
45 |
27 |
110 |
|
C-156 |
130 |
80 |
62 |
32 |
125 |
|
C-157 |
160 |
90 |
74 |
39 |
155 |
|
C-158 |
216 |
114 |
90 |
46 |
200 |
|
C-158-1 |
254 |
130 |
110 |
62 |
230 |
|
C-158-2 |
305 |
160 |
140 |
70 |
260 |
|
C-158-3 |
356 |
180 |
150 |
75 |
310 |
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