La arena de fundición de cerámica, también llamada NFS CERAMSITE-Nice Foundry Sand, es un tipo de partículas cerámicas de forma esférica artificiales que se caracterizan por su alta refractariedad y baja expansión térmica obtenidas mediante pulverización de bauxita fundida. Proporciona una forma sencilla y eficiente en la industria de la fundición para mejorar la calidad de las piezas fundidas, reducir el coste de producción y evitar la contaminación ambiental, por lo que es mucho mejor que la arena de sílice. Y también es un buen sustituto de la arena de cromita y la arena de circón debido a su precio más bajo. En la actualidad, la arena cerámica es reconocida mundialmente como la arena más nueva y mejor ideal para las fundiciones y tiene una viabilidad muy amplia de aplicaciones para el desarrollo futuro.
|
Propiedades físicas de los productos |
|||||||||||
|
Forma de lluvia de g |
Redondo |
refractario |
≥ 1800 ℃ |
||||||||
|
Color |
Marron oscuro |
Expansión térmica |
0,13% |
||||||||
|
Densidad a Granel |
1,95 -2,05 g/ ㎝³ |
Conductividad térmica |
0,698W/MK |
||||||||
|
Verdadera Denidad |
3,4 g/ cm³ |
angularidad |
≤1,1 |
||||||||
|
Composición química |
|||||||||||
|
Composición |
Al2O3 |
SiO2 |
Fe2O3 |
TiO2 |
Alto |
MgO |
K2O |
Na2O |
|||
|
Contenido |
70-75% |
8-20% |
≤ 3% |
≤ 3,5% |
≤ 0,45% |
≤0,35% |
≤ 0,33% |
≤ 0,08% |
|||
|
MALLA |
uno |
1700 |
850 |
600 |
425 |
300 |
212 |
150 |
106 |
75 |
53 |
cacerola |
|
Especificaciones |
10 |
20 |
30 |
40 |
50 |
70 |
100 |
140 |
200 |
270 |
||
|
20-40 |
≤2 |
15-40 |
30-55 |
15-35 |
≤3 |
|||||||
|
30-50 |
≤10 |
25-45 |
35-55 |
5-15 |
≤5 |
≤2 |
||||||
|
40-70 |
≤10 |
25-45 |
20-40 |
5-25 |
≤7 |
≤5 |
||||||
|
40-100 |
≤3 |
10-25 |
25-40 |
25-45 |
10-25 |
≤10 |
≤5 |
|||||
|
50-100 |
≤10 |
10-30 |
30-50 |
15-35 |
≤15 |
≤5 |
≤2 |
≤1 |
||||
|
50-140 |
≤8 |
10-25 |
20-45 |
20-45 |
5-20 |
≤7 |
≤2 |
≤1 |
||||
|
70-140 |
≤10 |
10-25 |
25-45 |
15-35 |
≤15 |
≤5 |
≤2 |
|||||
|
100-200 |
≤3 |
10-35 |
35-55 |
15-35 |
≤10 |
≤5 |
||||||
|
100-270 |
≤2 |
5-20 |
30-50 |
25-45 |
5-20 |
≤8 |
||||||
|
140-270 |
≤5 |
5-25 |
40-60 |
25-40 |
≤15 |
|||||||
|
200-270 |
≤5 |
35-55 |
25-45 |
25 | ||||||||
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