The MASS is characterized by extremely high refractoriness,excellent resistance to metal penetration and burnon,round shape,good fluidity and permeability and no pollution,thus...

• 该砂具有很高的耐火度和优异的抗金属渗透及粘砂的能力，粒形圆整，流动性及透气性好，无污染，在大型铸钢件上获得了良好的应用效果。