| Availability: | |
|---|---|
| Chemical & Physica | |||||||||
| Forma crystallis |
Alpha SiC systema hexagonale |
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| Natura chemica |
leve acidum |
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| Reactionem cum acida |
Actio superficiei exigua cum acido hydrofluorico |
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| Reactionem cum Alkalies |
Impetum caliditas ab algallis et ferreis xide |
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| Oxidation-reductio effectus |
Incipit oxydatum tardius ad DCCC°C. Nulla reductione |
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| Densitas vera (g/cm 3) |
3.20 |
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| duritia |
Knoop (kg/cm 2) |
2500-2900 |
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| Moh's |
9.5 |
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| Color |
Viridis |
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| Color cum eiaculatione globorum |
Viridis |
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| De compositione punctum |
2300o C * |
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| Max Usable temperatus |
1540o C in aere |
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| Imprimis calor (cal/g. o C) |
0o C * |
500o C * |
1000o C * |
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| 0.14 |
0.28 |
0.13 |
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| Coefficiens conductivity scelerisque |
600o C * |
800o C * |
1000o C * |
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| 0.080 |
0.061 |
0.051 |
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| Electrical resistivity (Wcm) |
25o C * |
100o C * |
400o C * |
800o C * |
1400o C * |
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| 50 |
46.4 |
26.6 |
7.8 |
0.65 |
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| Expansion coefficiens liner |
25o C -500 o C * |
25o C -1000 o C * |
25o C -1500 o C * |
25o C-2000 o C |
25o C MMD o C * |
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| 4.63 |
5.12 |
5.48 |
5.77 |
5.94 |
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| Compositio chemica (% per pondus) | ||||||
| Grit |
20#- 90# |
100#- 180# |
220#- 240# |
280#- 400# |
D#-600# |
|
| Sic Min |
99.0 |
98.0 |
97.5 |
97.0 |
95.5 |
94.0 |
| FC Max |
0.20 |
0.25 |
0.25 |
0.30 |
0.30 |
0.50 |
| Fe 2O 3 Max |
0.20 |
0.50 |
0.70 |
0.70 |
0.70 |
0.70 |
| Magnetic Material Content (% per pondus | |
| Grit |
Materia magnetica Content |
| 16#-30# |
<0.0180 |
| 36#-60# |
<0.0150 |
| 70#-120# |
<0.014 |
| 150#-220# |
<0.0100 |
| Praesto frumenti magnitudinum | |||||
| Crit No. |
Micron |
Crit No. |
Micron |
Crit No. |
Micron |
| 10 |
2360 ~ 2000 |
30 |
710 ~ 600 |
80 |
212 ~ 180 |
| 12 |
MM~ MDCC |
36 |
600 ~ 500 |
90 |
180 ~ 150 |
| 14 |
1700 ~ 1400 |
40 |
500 ~ 425 |
100 |
150 ~ 125 |
| 16 |
1400 ~ 1180 |
46 |
425 ~ 355 |
120 |
125 ~ 106 |
| 20 |
1180 ~M |
54 |
355 ~ 300 |
150 |
106 ~ 75 |
| 22 |
1000 ~ 850 |
60 |
300 ~ 250 |
180 |
90 ~ 63 |
| 24 |
850 ~ 710 |
70 |
250 ~ 212 |
220 |
75 ~ 53 |
| Praesto mirron pulveris magnitudinum | ||||||
| China GB 2477-83 |
JIS |
FEPA(84) / DIN(70) |
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| Crit No. |
Normalis magnitudinis range (μm) |
Crit No. |
ds50 valorem (μm) |
Crit No. |
ds50 valorem (μm) |
|
| Latin werte der Mikro-F-Reihe |
Sedigraphum 5000D |
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| 240 |
60.0±4.0 |
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| 280 |
52.0±3.0 |
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| W63 |
63 - 50 |
320 |
46.0±2.5 |
F230/53 |
53±3.0 |
50.0±3.0 |
| W50 |
50 - 40 |
360 |
40.0±2.0 |
F240/45 |
44.5±2.0 |
42.0±2.0 |
| 400 |
34.0±2.0 |
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| W40 |
40 - 28 |
500 |
28.0±2.0 |
F280/37 |
36.5±1.5 |
34.5±1.5 |
| 600 |
24.0±1.5 |
F320/29 |
29.2±1.5 |
27.7±1.5 |
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| W28 |
38 - 20 |
700 |
21.0±1.3 |
F360/23 |
22.8±1.5 |
21.6±1.5 |
| 800 |
18.0±1.0 |
F400/17 |
17.3±1.0 |
16.5±1.0 |
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| W20 |
20 - 14 |
1000 |
15.5±1.0 |
F500/13 |
12.8±1.0 |
12.3±1.0 |
| W14 |
14 - 10 |
1200 |
13.0±1.0 |
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| 1500 |
10.5±1.0 |
F600/9 |
9.3±1.0 |
9.0±1.0 |
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| W10 |
10 - 7 |
2000 |
8.5±0.7 |
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| W7 |
7 - 5 |
2500 |
7.0±0.7 |
F800/7 |
6.5±1.0 |
6.3±1.0 |
| W5 |
5 - 3.5 |
3000 |
5.7±0.5 |
F1000/5 |
4.5±0.8 |
4.5±0.8 |
| F1200/3 |
3.1±0.5 |
3.1±0.5 |
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| ad communem usum |
ad communem usum |
nam religata abrasives |
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| Applicationem | |
| stridor rotae |
Electrical |
| Coated instrumenta |
Calefactio elementis |
| ut tincidunt |
Ceramic |
| Lapping |
Refractory |
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