PQ Corporation is the world’s leading producer of sodium silicate. Sodium silicate, also known as waterglass, is a versatile inorganic chemical made by combining sand and soda ash (sodium carbonate) at high temperature. Adjusting the ratio of sand to soda ash yields a variety of products with unique functionality used in many industrial and consumer product applications. PQ sodium silicate is available in solid (lump glass, cullet), liquid, and powder (hydrous and anhydrous) forms. We offer the largest variety of high quality products shipped from the most extensive sodium silicate manufacturing network in the world. PQ technical expertise in support of our customers’ applications, old and new, is second to none. Contact us for technical support and product recommendations.