Emhart Glass is the world's leading suppliers of premium refractory products. We are focused on providing solutions to the technical challenges of the global glass industry. We pride ourselves on our company-wide flexibility, which provides us with the ability to meet your individual requirements regardless of your unique compositions, shapes or quantities. All Emhart Glass refractories are formulated from high purity, special oxide raw materials, which are carefully graded for particle size and distribution. Rigid quality control is maintained through all stages of manufacture.