Synthetic Fused Forsterite. Typical Refractory grain sizes. Very high purity. Extremely low iron, and other impurities. Looking for a company willing to custom fuse a very high grade refractory grain from High purity fused MGO and high purity silica or other acceptable methods that produce a material that is uniform, iron-free, alumina-free, and much higher purity than the best high-grade Norwegian olivine. Exact specs are to be determined by capability. If you are interested don't hesitate to get in touch with us to discuss capabilities for production. Looking for a reliable long-term supplier for continuing business. All other terms are to be determined once we have discussed details, verified capability, and visited the facilities in person in China.