Washington Mills' quality policy is more than words; we stick by our commitment to quality. From the acquisition of raw materials to the shipping of finished product, we test for quality at each stage of the production process. Our in-depth quality procedures include analysis, audits, certifications and spot checks for every product throughout the entire production process. Continuously producing high-quality fused mineral grains and powders is achieved by a battery of quality checks for chemical composition, purity and crystalline structure. Stable, high-quality products for your everyday applications, every time.