About Us IMERYS North America Ceramics products are produced to the highest international quality standards, ensuring absolute consistency.Rigorous testing procedures are employed at every stage of the production process, from the mineral deposit itself through to the final product. Adjustments to processing conditions and blending of different batches are carried out in response to these test results, ensuring our customers can always rely on identical quality. The real secret of IMERYS' high performance minerals lies in the specialised processes we use to aid performance. These include purification, refining, blending, d