CASTING SAND CHROMITE SAND PROPRIEDADES FÍSICAS E QUÍMICAS
Química | Índice | Fisica | Índice |
Cr2O3 | ≥46,0% | Densidade aparente | 2,5-3g / cm3 |
SiO2 | ≤1,0% | Valor do PH | 7,9 |
Fe2O3 | ≤26,5% | Cr / Fe | 1,55: 1 |
CaO | ≤0,30% | Densidade de enchimento | 2,6 g / cm3 |
MgO | ≤10% | Porcentagem de umidade | ≤0,1 |
AI2O3 | ≤15,5% | O sinterizado | 1600 ° C |
P | ≤0,003% | Temperatura de sinterização | 2180 ° C |
C | ≤0,003% | Ponto de fusão | > 1800 ° C |
TAMANHOS DISPONÍVEIS DA AREIA DE CROMITE PARA FUNDAMENTO:
- AFS 25-35 AFS25-30 AFS30-35 AFS35-40 AFS40-45 AFS40-50 AFS45-55 AFS45-50 AFS50-55 AFS55-60 AFS60-65
- 0-1mm 200mesh 300mesh 400mesh
CASTING CHROMITE SAND APLICATIONS
- Areia de cromita na indústria de fundição
Suas propriedades permitem que o material seja usado em fundições de aço e ferro cinzento de alta resistência como areia para a fabricação de machos e moldes. Sua alta condutividade térmica confere-lhe boas propriedades de resfriamento, a baixa expansão térmica dá origem a uma boa estabilidade dimensional. Sua basicidade próxima do neutro permite o uso de uma ampla gama de sistemas adesivos resinosos e ligantes inorgânicos, possui alta refratariedade e ampla distribuição de peneira.
- Areia de cromita na indústria siderúrgica
Na produção de aço, a areia de cromita é usada também como enchimento para proteção da comporta deslizante em grandes conchas de retenção de aço. - Areia cromática na indústria do vidro
Quando moída até se tornar uma farinha fina, a areia cromita é usada na produção de embalagens de vidro verde para bebidas.
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