Mullite Sand is a high-purity refractory aggregate that offers excellent thermal stability and resistance to thermal shock. It is commonly used in the outer layers of stainless steel investment casting mold shells to provide superior surface quality and dimensional accuracy. Our Mullite Sand ensures optimal mold strength and durability, allowing for precise and intricate metal castings. Count on our Mullite Sand for reliable performance and excellent mold shell integrity.
Refractory castable is one of the unshaped refractory materials. It is made of refractory aggregate, refractory powder, binders,admixtures,water or other liquid materials,By optimizing the formula design. It is loose,Has high liquidity, And can be hardened without heating.Generally in the use site,Can use directly after add certain amount water or other liquid, It is molded by pour,vibration or ramming method.and can also be made into refractory preforms, It is one of the new type refractory material of don't need sintering.
